caltrops

英 ['kæltrəps] 美 ['kæltrəps]

• n. 三角钉

英英释义

名词 caltrop:

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

2. a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits

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