caltrops

英['kæltrəps] 美['kæltrəps]
  • n.三角钉
  • CAL abbr.计算机辅助学习(=computer-aided/-assistedlearning)
  • loop n.环;圈;回路;环形线路vt.以圈结;以环连结;使...成环(圈)vi.形成环;环形运动
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