n. [ L. Achillis tendo. ] (Anat.) The strong tendon formed of the united tendons of the large muscles in the calf of the leg, an inserted into the bone of the heel; -- so called from the mythological account of Achilles being held by the heel when dipped in the River Styx. [ 1913 Webster ]

The first day of April, a day on which sportive impositions are practiced. [ 1913 Webster ]

The first of April, some do say,
Is set apart for All Fools' Day. Poor Robin's Almanack (1760). [ 1913 Webster ]

{ } The first day of November, called, also, Allhallows or Hallowmas; a feast day kept in honor of all the saints; also, the season of this festival. [ 1913 Webster ]

The second day of November; a feast day of the Roman Catholic church, on which supplications are made for the souls of the faithful dead. [ 1913 Webster ]

n. a petty officer on a merchant ship who controls the work of other seamen.
Syn. -- boatswain, bos'n, bosun, bo'sun. [ WordNet 1.5 ]

n. [ Carlos Chagas, a physician in Brazil, 1879-1934 ] a form of trypanosomiasis caused by infection with Trypamosoma cruzi, found principally in South America. It is transmitted by certain species of reduviid bugs, and has natural reservoirs in dogs, armadillos, rodents and other domestic and wild mammals. Stedman's Med. Dict., Dorland's Illustr. Med. Dict.
Syn. -- South Amercian trypanosomiasis, Chagas-Cruz disease. [ PJC ]

[ Charles + wain; cf. AS. Carles w&aemacr_;n (for wægn), Sw. karlvagnen, Dan. karlsvogn. See Churl, and Wain. ] (Astron.) The group of seven stars, commonly called the Big Dipper, in the constellation Ursa Major, or Great Bear. See Ursa major, under Ursa. [ 1913 Webster +PJC ]

☞ The name is sometimes also applied to the Constellation. [ 1913 Webster ]

n. that portion of the radio frequency spectrum allocated by the FCC for the use of individual citizens for short-distance personal or business use, from either fixed or mobile stations. Abreviated CB. Called also Citizens Radio Service. [ PJC ]

. A highly refined sugar in impalpable powder, esp. suited to confectioners' uses. [ Webster 1913 Suppl. ]

n. The forecastle, a superstructure in the bow of a merchant ship where the crew is housed; -- the spelling is intended to reflect the common pronunciation among seamen.
Syn. -- forecastle. [ WordNet 1.5 +PJC ]

{ } [ From Fresnel the inventor, a French physicist. ] A lantern having a lamp surrounded by a hollow cylindrical Fresnel lens. [ 1913 Webster ]

[ So called after Dr. Graves, of Dublin. ] Same as Basedow's disease. [ 1913 Webster ]

prop. n. 1. (Bot.) A densely spiny ornamental tree (Zanthoxylum clava-herculis) of the rue family, growing in southeast U. S. and West Indies. [ wns=1 ] It belongs to the same genus as one of the trees (Zanthoxylum Americanum) called prickly ash.
Syn. -- Hercules'-clubs, Hercules-club, Zanthoxylum clava-herculis. [ 1913 Webster + WordNet 1.5 ]

2. A small, prickly, deciduous clump-forming tree or shrub (Aralia spinosa) of eastern U.S.; also called Angelica tree and prickly ash. [ wns=2 ]
Syn. -- American angelica tree, devil's walking stick, Aralia spinosa. [ 1913 Webster + WordNet 1.5 ]

3. A variety of the common gourd (Lagenaria vulgaris). Its fruit sometimes exceeds five feet in length. [ 1913 Webster ]

A contraction of is it. [ 1913 Webster ]

(Med.) Antimonial powder, first prepared by Dr. James, an English physician; -- called also fever powder. [ 1913 Webster ]

pos>n. (Bot.) The small-flowered Fuchsia (Fuchsia coccinea), and other closely related species. [ 1913 Webster ]

{ } n. (Bot.) A name given to several species of the orchidaceous genus Spiranthes, in which the white flowers are set in spirals about a slender axis and remotely resemble braided hair. [ 1913 Webster ]

[ See Midas. ] (Zool.) A pulmonate mollusk (Auricula aurismidae or Ellobium aurismidae); -- so called from resemblance to a human ear. [ 1913 Webster ]

. A legal holiday in the States of Massachusetts and Maine, April 19, the anniversary of the battle of Lexington in 1775. It was first observed in 1894. [ U. S. ] [ Webster 1913 Suppl. ]

In Utah, a legal holiday, July 24, commemorated the arrival, in 1847, of Brigham Young and his followers at the present site of Salt Lake City. [ Webster 1913 Suppl. ]

An angle in the south transept of Westminster Abbey, London; -- so called because it contains the tombs of Chaucer, Spenser, Dryden, Ben Jonson, Gray, Tennyson, Browning, and other English poets, and memorials to many buried elsewhere. [ Webster 1913 Suppl. ]

(Ordnance) One of a system of guns manufactured by the firm of Vickers' Sons, at Sheffield, Eng. now included in Vickers-Maxim guns. [ Webster 1913 Suppl. ]