caltrop
0 synonyms and 0 antonyms for caltrop, grouped by meaning and by how common each one is.
Noun — A metal object, usually small, with spikes arranged so that, when thrown onto the ground, one always faces up as a threat to pedestrians, horses, and vehicles (also used as a heraldic charge).
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Etymology
From Middle English calketrappe, from Old English calcatrippe, from Medieval Latin calcatrippa (“thistle”), from Latin calx or calcare (“to tread”) + trappa (“trap”).
Full origin of caltrop →