BLADDERWORT

bladderwort

(noun) any of numerous aquatic carnivorous plants of the genus Utricularia some of whose leaves are modified as small urn-shaped bladders that trap minute aquatic animals

Source: WordNet® 3.1

Etymology

Noun

bladderwort (usually uncountable, plural bladderworts)

Any of many aquatic carnivorous plants, of the genus Utricularia, that have open bladders that trap minute insects and crustaceans.

Source: Wiktionary

Blad"der*wort`, n. (Bot.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition