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(), n.[OE. bladder, bleddre, AS. bldre, blddre; akin to Icel. blara, SW. blddra, Dan. blre, D. blaar, OHG. bltara the bladder in the body of animals, G. blatter blister, bustule; all fr. the same root as AS. blwan, E. blow, to puff. See Blow to puff.] 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. 2. Any vesicle or blister, especially if filled with air, or a thin, watery fluid. 3. (Bot.) A distended, membranaceous pericarp. 4. Anything inflated, empty, or unsound. "To swim with bladders of philosophy." Rochester. 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 Blad"der 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. 2. To put up in bladders; as, bladdered lard. スポンサード リンク
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