caltrop
Seed from Open English WordNet (OEWN) 2025
Meanings by context
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- definition tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed
- definition a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
- definition Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America