Caltrop
[kæltrәp]
解釋/意思:
(noun.) tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed.
校對:梅勒妮--From WordNet
解釋/意思:
(n.) Alt. of Caltrap
校對:莱利亚
解釋/意思:
n. an instrument armed with four spikes so arranged that one always stands upright used to obstruct the progress of an enemy's cavalry or of besiegers of a fortification.—Also Cal′trap.
贺拉斯校對