‖n. [ Braz. guará. ] (Zool.) (a) The scarlet ibis. See Ibis. (b) A large-maned wild dog of South America (Canis jubatus) -- named from its cry. [ 1913 Webster ]

‖n. [ Pg. ] (Med.) A preparation from the seeds of Paullinia sorbilis, a woody climber of Brazil, used in making an astringent drink, and also in the cure of headache. [ 1913 Webster ]

n. (Chem.) An alkaloid extracted from guarana. Same as Caffeine. [ 1913 Webster ]

v. t. [ imp. & p. p. guaranteed p, pr. & vb. n. Guaranteeing. ] [ From Guarantee, n. ] In law and common usage: to undertake or engage for the payment of (a debt) or the performance of (a duty) by another person; to undertake to secure (a possession, right, claim, etc.) to another against a specified contingency, or in all events; to give a guarantee concerning; to engage, assure, or secure as a thing that may be depended on; to warrant; as, to guarantee the execution of a treaty. [ 1913 Webster ]

The United States shall guarantee to every State in this Union a republican form of government. Constitution of the U. S. [ 1913 Webster ]

n.; pl. Guarantees [ For guaranty, prob. influenced by words like assignee, lessee, etc. See Guaranty, and cf. Warrantee. ] 1. In law and common usage: A promise to answer for the payment of some debt, or the performance of some duty, in case of the failure of another person, who is, in the first instance, liable to such payment or performance; an engagement which secures or insures another against a contingency; a warranty; a security. Same as Guaranty. [ 1913 Webster ]

His interest seemed to be a guarantee for his zeal. Macaulay. [ 1913 Webster ]

2. One who binds himself to see an undertaking of another performed; a guarantor. South. [ 1913 Webster ]

☞ Guarantor is the correct form in this sense. [ 1913 Webster ]

3. (Law) The person to whom a guaranty is made; -- the correlative of guarantor.

Syn. -- Guarantee, Warranty. A guarantee is an engagement that a certain act will be done or not done in future. A warranty is an engagement as to the qualities or title of a thing at the time of the engagement. [ 1913 Webster ]

adj. 1. secured by written agreement.
Syn. -- bonded, secured, warranted. [ WordNet 1.5 ]

2. certified. [ WordNet 1.5 ]

n. [ See Guaranty, and cf. Warrantor. ] (Law) (a) One who makes or gives a guaranty; a warrantor; a surety. (b) One who engages to secure another in any right or possession. [ 1913 Webster ]

n.; pl. Guaranies [ OF. guarantie, garantie, F. garantie, OF. guarantir, garantir, to warrant, to guaranty, E. garantir, fr. OF. guarant, garant, a warranter, F. garant; of German origin, and from the same word as warranty. See Warrant, and cf. Warranty, Guarantee. ] In law and common usage: An undertaking to answer for the payment of some debt, or the performance of some contract or duty, of another, in case of the failure of such other to pay or perform; a guarantee; a warranty; a security. [ 1913 Webster ]

v. t. [ imp. & p. p. Guarantied p. pr. & vb. n. Guarantying. ] [ From Guaranty, n. ] In law and common usage: To undertake or engage that another person shall perform (what he has stipulated); to undertake to be answerable for (the debt or default of another); to engage to answer for the performance of (some promise or duty by another) in case of a failure by the latter to perform; to undertake to secure (something) to another, as in the case of a contingency. See Guarantee, v. t. [ 1913 Webster ]

☞ Guaranty agrees in form with warranty. Both guaranty and guarantee are well authorized by legal writers in the United States. The prevailing spelling, at least for the verb, is guarantee. [ 1913 Webster ]

n. [ OF. guarde, F. garde; of German origin; cf. OHG. wart, warto, one who watches, warta a watching, Goth. wardja watchman. See Guard, v. t. ] [ 1913 Webster ]

1. One who, or that which, guards from injury, danger, exposure, or attack; defense; protection. [ 1913 Webster ]

His greatness was no guard to bar heaven's shaft. Shak. [ 1913 Webster ]

2. A man, or body of men, stationed to protect or control a person or position; a watch; a sentinel. [ 1913 Webster ]

The guard which kept the door of the king's house. Kings xiv. 27. [ 1913 Webster ]

3. One who has charge of a mail coach or a railway train; a conductor. [ Eng. ] [ 1913 Webster ]

4. Any fixture or attachment designed to protect or secure against injury, soiling, or defacement, theft or loss; as: (a) That part of a sword hilt which protects the hand. (b) Ornamental lace or hem protecting the edge of a garment. (c) A chain or cord for fastening a watch to one's person or dress. (d) A fence or rail to prevent falling from the deck of a vessel. (e) An extension of the deck of a vessel beyond the hull; esp., in side-wheel steam vessels, the framework of strong timbers, which curves out on each side beyond the paddle wheel, and protects it and the shaft against collision. (f) A plate of metal, beneath the stock, or the lock frame, of a gun or pistol, having a loop, called a bow, to protect the trigger. (g) (Bookbinding) An interleaved strip at the back, as in a scrap book, to guard against its breaking when filled. [ 1913 Webster ]

5. A posture of defense in fencing, and in bayonet and saber exercise. [ 1913 Webster ]

6. An expression or admission intended to secure against objections or censure. [ 1913 Webster ]

They have expressed themselves with as few guards and restrictions as I. Atterbury. [ 1913 Webster ]

7. Watch; heed; care; attention; as, to keep guard. [ 1913 Webster ]

8. (Zool.) The fibrous sheath which covers the phragmacone of the Belemnites. [ 1913 Webster ]

☞ Guard is often used adjectively or in combination; as, guard boat or guardboat; guardroom or guard room; guard duty. [ 1913 Webster ]

Advanced guard,
Coast guard, etc. See under Advanced, Coast, etc. --
Grand guard (Mil.), one of the posts of the second line belonging to a system of advance posts of an army. Mahan. --
Guard boat. (a) A boat appointed to row the rounds among ships of war in a harbor, to see that their officers keep a good lookout. (b) A boat used by harbor authorities to enforce the observance of quarantine regulations. --
Guard cells (Bot.), the bordering cells of stomates; they are crescent-shaped and contain chlorophyll. --
Guard chamber, a guardroom. --
Guard detail (Mil.), men from a company regiment etc., detailed for guard duty. --
Guard duty (Mil.), the duty of watching patrolling, etc., performed by a sentinel or sentinels. --
Guard lock (Engin.), a tide lock at the mouth of a dock or basin. --
Guard of honor (Mil.), a guard appointed to receive or to accompany eminent persons. --
Guard rail (Railroads), a rail placed on the inside of a main rail, on bridges, at switches, etc., as a safeguard against derailment. --
Guard ship, a war vessel appointed to superintend the marine affairs in a harbor, and also, in the English service, to receive seamen till they can be distributed among their respective ships. --
Life guard (Mil.), a body of select troops attending the person of a prince or high officer. --
Off one's guard, in a careless state; inattentive; unsuspicious of danger. --
On guard, serving in the capacity of a guard; doing duty as a guard or sentinel; watching. --
On one's guard, in a watchful state; alert; vigilant. --
To mount guard (Mil.), to go on duty as a guard or sentinel. --
To run the guard, to pass the watch or sentinel without leave.

Syn. -- Defense; shield; protection; safeguard; convoy; escort; care; attention; watch; heed. [ 1913 Webster ]