trapa

English Thesaurus

1. small genus of Eurasian aquatic perennial herbs: water chestnut (noun.plant)

hypernym	:	dicot genus, magnoliopsid genus,
definition	:	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination (noun.plant)

member holonym	:	caltrop, water chestnut, water chestnut plant,
definition	:	a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits (noun.plant)

member meronym	:	family trapaceae, trapaceae,
definition	:	family comprising solely the genus Trapa; in some classifications treated as a subfamily or tribe of the family Onagraceae (noun.plant)