Akademik

Trapa
noun
small genus of Eurasian aquatic perennial herbs: water chestnut
Syn: ↑genus Trapa
Hypernyms: ↑dicot genus, ↑magnoliopsid genus
Member Holonyms: ↑Trapaceae, ↑family Trapaceae
Member Meronyms: ↑water chestnut, ↑water chestnut plant, ↑caltrop

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\\ˈtrāpə, -rapə\ noun
Usage: capitalized
Etymology: New Latin, probably short for (assumed) Medieval Latin calcitrappa caltrop — more at caltrop
: a small Old World genus of aquatic herbaceous plants with finely dissected submerged leaves, rhombic floating leaves that have inflated spongy petioles, and solitary white flowers followed by horned or spiny fruits — see trapaceae, water chestnut

Useful english dictionary. 2012.