caltrop, n.
(caltrops)
(caltrops)
Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America
<noun.plant>
Centauria calcitrapa caltrop star-thistle
semantic pointers
hypernym
a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
<noun.plant>
caltrop water chestnut water chestnut plant
semantic pointers
member holonym
hypernym
hyponym
tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed
<noun.plant>
Tribulus terestris caltrop devil's weed