English to English
noun
- tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed
source: WordNet 3.0
- a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
source: WordNet 3.0
- Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America
source: WordNet 3.0
- A genus of herbaceous plants (Tribulus) of the order Zygophylleæ, having a hard several- celled fruit, armed with stout spines, and resembling the military instrument of the same name. The species grow in warm countries, and are often very annoying to cattle.
source: Webster 1913