 caltrop |
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| 1. | [ noun ] (botany) a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits | |
| Synonyms: | water_chestnut_plant water_chestnut | |
| Related terms: | aquatic_plant water_caltrop ling Trapa | |
| 2. | [ noun ] (botany) tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed | |
| Synonyms: | Tribulus_terestris devil's_weed | |
| Related terms: | subshrub Tribulus | |
| 3. | [ noun ] (botany) Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America | |
| Synonyms: | Centauria_calcitrapa star-thistle | |
| Related terms: | centaury | |
| Similar spelling: |
Callithrix Caulder caldron cauldron Caldero Callitris |
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