Caltrap
Caltrop Cal"trop, Caltrap Cal"trap, n. [OE. calketrappe, calletrappe, caltor (in both senses), fr. AS. collr[ae]ppe, calcetreppe, sort of thistle; cf. F. chaussetrape star thistle, trap, It. calcatreppo, calcatreppolo, star thistle. Perh. from L. calx heel + the same word as E. trap. See 1st {Trap}.] 1. (Bot.) A genus of herbaceous plants ({Tribulus}) of the order {Zygophylle[ae]}, having a hard several-celled fruit, armed with stout spines, and resembling the military instrument of the same name. The species grow in warm countries, and are often very annoying to cattle. [1913 Webster]

2. (Mil.) An instrument with four iron points, so disposed that, any three of them being on the ground, the other projects upward. They are scattered on the ground where an enemy's cavalry are to pass, to impede their progress by endangering the horses' feet. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Caltrap — Small device scattered on the ground to injure and make any passing horses lame (or later to puncture rubber tyres). It has four metal spikes forming the four corners of a tetrahedron so that one metal spike will always points upwards.… …   Medieval glossary

  • caltrap — cal·trap …   English syllables

  • caltrap — ˈkal.trəp, ˈȯ noun or galtrap ( s) Etymology: variant of caltrop : a heraldic representation of a military caltrop …   Useful english dictionary

  • Caltrop — For the plant or its fruit, see water caltrop. Iron caltrop used in Vietnam. A caltrop (also known as caltrap, galtrop, cheval trap, galthrap, galtrap,[1] calthrop …   Wikipedia

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  • Caltrop — Cal trop, Caltrap Cal trap, n. [OE. calketrappe, calletrappe, caltor (in both senses), fr. AS. collr[ae]ppe, calcetreppe, sort of thistle; cf. F. chaussetrape star thistle, trap, It. calcatreppo, calcatreppolo, star thistle. Perh. from L. calx… …   The Collaborative International Dictionary of English

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