1.Definition: a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits

Related Noun(s):water chestnut, water chestnut plant

Category: Plants

2.Definition: Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America

Related Noun(s):centauria calcitrapa

Category: Plants

3.Definition: tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed

Related Noun(s):tribulus terestris

Category: Plants