1. (Anat.) An air sac, sometimes double or variously lobed, in the visceral cavity of many fishes. It originates in the same way as the lungs of air-breathing vertebrates, and in the adult may retain a tubular connection with the pharynx or esophagus. [ 1913 Webster ]

2. A sac or bladder full of air in an animal or plant; also an air hole in a casting. [ 1913 Webster ]

n. [ OE. bladder, bleddre, AS. bl&aemacr_;dre, bl&aemacr_;ddre; akin to Icel. blaðra, SW. bläddra, Dan. blære, D. blaar, OHG. blātara the bladder in the body of animals, G. blatter blister, bustule; all fr. the same root as AS. blāwan, E. blow, to puff. See Blow to puff. ] [ 1913 Webster ]

1. (Anat.) A bag or sac in animals, which serves as the receptacle of some fluid; as, the urinary bladder; the gall bladder; -- applied especially to the urinary bladder, either within the animal, or when taken out and inflated with air. [ 1913 Webster ]

2. Any vesicle or blister, especially if filled with air, or a thin, watery fluid. [ 1913 Webster ]

3. (Bot.) A distended, membranaceous pericarp. [ 1913 Webster ]

4. Anything inflated, empty, or unsound. “To swim with bladders of philosophy.” Rochester. [ 1913 Webster ]

Bladder nut, or
Bladder tree (Bot.), a genus of plants (Staphylea) with bladderlike seed pods. --
Bladder pod (Bot.), a genus of low herbs (Vesicaria) with inflated seed pods. --
Bladdor senna (Bot.), a genus of shrubs (Colutea), with membranaceous, inflated pods. --
Bladder worm (Zool.), the larva of any species of tapeworm (Tænia), found in the flesh or other parts of animals. See Measle, Cysticercus. --
Bladder wrack (Bot.), the common black rock weed of the seacoast (Fucus nodosus and Fucus vesiculosus) -- called also bladder tangle. See Wrack. [ 1913 Webster ]

v. t. [ imp. & p. p. Bladdered p. pr. & vb. n. Bladdering. ] 1. To swell out like a bladder with air; to inflate. [ Obs. ] G. Fletcher. [ 1913 Webster ]

2. To put up in bladders; as, bladdered lard. [ 1913 Webster ]

adj. similar to a bladder.
Syn. -- bladdery. [ WordNet 1.5 ]

n. a medium-sized blackish-gray seal (Cystophora cristata) with a large inflatable sac on the head; of Arctic-Atlantic waters.
Syn. -- hooded seal. [ WordNet 1.5 ]

n. 1. a North American wild lobelia (Lobelia inflata) having small blue flowers and inflated capsules formerly used as an antispasmodic.
Syn. -- Indian tobacco. [ WordNet 1.5 ]

2. any of a number of annual or perennial herbs with inflated seed pods; some are placed in the genus Lesquerella. [ WordNet 1.5 ]

3. any of several plants of the genus Physaria having racemose yellow flowers and inflated pods. [ WordNet 1.5 ]

4. any of several hairy North American herbs having yellow racemose flowers and inflated pods. [ WordNet 1.5 ]

n. (Bot.) A genus (Utricularia) of aquatic or marshy plants, which usually bear numerous vesicles in the divisions of the leaves. These serve as traps for minute animals. See Ascidium. [ 1913 Webster ]

n. 1. similar to and found with black rockweed.
Syn. -- Ascophyllum nodosum. [ WordNet 1.5 ]

2. common black rockweed used in preparing kelp and as manure.
Syn. -- black rockweed, bladder fucus, tang, Fucus vesiculosus. [ WordNet 1.5 ]

a. Having bladders; also, resembling a bladder. [ 1913 Webster ]

n. [ OE. blade, blad, AS. blæd leaf; akin to OS., D., Dan., & Sw. blad, Icel. blað, OHG. blat, G. blatt, and perh. to L. folium, Gr. fy`llon. The root is prob. the same as that of AS. blōwan, E. blow, to blossom. See Blow to blossom, and cf. Foil leaf of metal. ] [ 1913 Webster ]

1. Properly, the leaf, or flat part of the leaf, of any plant, especially of gramineous plants. The term is sometimes applied to the spire of grasses. [ 1913 Webster ]

The crimson dulse . . . with its waving blade. Percival. [ 1913 Webster ]

First the blade, then ear, after that the full corn in the ear. Mark iv. 28. [ 1913 Webster ]

2. The cutting part of an instrument; as, the blade of a knife or a sword. [ 1913 Webster ]

3. The broad part of an oar; also, one of the projecting arms of a screw propeller. [ 1913 Webster ]

4. The scapula or shoulder blade. [ 1913 Webster ]

5. pl. (Arch.) The principal rafters of a roof. Weale. [ 1913 Webster ]

6. pl. (Com.) The four large shell plates on the sides, and the five large ones of the middle, of the carapace of the sea turtle, which yield the best tortoise shell. De Colange. [ 1913 Webster ]

7. A sharp-witted, dashing, wild, or reckless, fellow; -- a word of somewhat indefinite meaning. [ 1913 Webster ]

He saw a turnkey in a trice
Fetter a troublesome blade. Coleridge. [ 1913 Webster ]

8. The flat part of the tongue immediately behind the tip, or point. [ 1913 Webster ]

“Lower blade” implies, of course, the lower instead of the upper surface of the tongue. H. Sweet. [ Webster 1913 Suppl. ]

v. t. To furnish with a blade. [ 1913 Webster ]

v. i. To put forth or have a blade. [ 1913 Webster ]

As sweet a plant, as fair a flower, is faded
As ever in the Muses' garden bladed. P. Fletcher. [ 1913 Webster ]

n. The scapula. See Blade, 4. [ 1913 Webster ]

a. 1. Having a blade or blades; as, a two-bladed knife. [ 1913 Webster ]

Decking with liquid pearl the bladed grass. Shak. [ 1913 Webster ]

2. Divested of blades; as, bladed corn. [ 1913 Webster ]

3. (Min.) Composed of long and narrow plates, shaped like the blade of a knife. [ 1913 Webster ]

n. (Zool.) A long, thin, marine fish of Europe (Trichiurus lepturus); the ribbon fish. [ 1913 Webster ]

n. A sword cutler. [ Obs. ] [ 1913 Webster ]

a. Consisting of blades. [ R. ] “Blady grass.” Drayton. [ 1913 Webster ]

. [ from Rollerblade, a trade name. ] a type of roller skate having more than two wheels, aligned in a single row rather than in two rows. [ PJC ]

n. (Bot.) Any one of several orchidaceous plants which have only two leaves, as the species of Listera and of Liparis. [ Written also twyblade. ] [ 1913 Webster ]

n. See Twayblade. [ 1913 Webster ]