caltrop
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English
[edit]![](http://178.128.105.246/cars-http-upload.wikimedia.org/wikipedia/commons/thumb/5/59/Caltrop_from_Vietnam_1968.jpg/220px-Caltrop_from_Vietnam_1968.jpg)
![](http://178.128.105.246/cars-http-upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Coat_of_arms_boulaide_luxbrg.png/220px-Coat_of_arms_boulaide_luxbrg.png)
![](http://178.128.105.246/cars-http-upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Centaurea_calcitrapa_bgiu.jpg/220px-Centaurea_calcitrapa_bgiu.jpg)
![](http://178.128.105.246/cars-http-upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Starr_030612-0067_Tribulus_terrestris.jpg/220px-Starr_030612-0067_Tribulus_terrestris.jpg)
Alternative forms
[edit]Etymology
[edit]From Middle English calketrappe, from Old English calcatrippe (“plant that trips”), from Medieval Latin calcatrippa (“thistle”), from Latin calx or calcare + trappa.
Pronunciation
[edit]- (General American) enPR: kăl'trəp, IPA(key): /ˈkæltɹəp/
Audio (US): (file) - Rhymes: -æltɹəp
- (UK) enPR: kăl'trəp, IPA(key): /ˈkæltɹəp/, enPR: kôl'trəp, IPA(key): /ˈkɔːltɹəp/
Audio (Southern England): (file)
Noun
[edit]caltrop (plural caltrops)
- (weaponry) A small, metal object 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).
- 1858, The journal of the British Archaeological Association:
- […] her father, the emperor Alexius, who reigned AD 1081-1118, ordered caltrops to be cast in front of his archers […]
- 1954, Joseph Needham, Ling Wang, Science and civilisation in China:
- By Sung times, several different types of caltrops had been developed. As in earlier times, both caltrops could be made from both wood and iron...
- 2000, Alan Vick, Aerospace operations in urban environments: exploring new concepts:
- Caltrops, tetrahedrons, and similar devices are designed to puncture vehicle tires or limit foot traffic. The standard design has four points.
- (colloquial) The starthistle, Centaurea calcitrapa, a plant with sharp thorns.
- Any of a number of flowering plants in the family Zygophyllaceae, including several members of the genus Kallstroemia and the species Tribulus terrestris, native to warm temperate and tropical regions.
Synonyms
[edit]- (weaponry): caltrap, galtrop, cheval trap, galthrap, galtrap, calthrop, crow’s foot, jackrock
- (starthistle): knapweed
- (Tribulus terrestris): puncturevine, cat's head, yellow vine, goathead, burra, gokharu, bindii.
Coordinate terms
[edit]- (weaponry): spike strip
Derived terms
[edit]Translations
[edit]weaponry
|
starthistle
|
Tribulus terrestris
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See also
[edit]caltrop on Wikipedia.Wikipedia
Centaurea calcitrapa on Wikipedia.Wikipedia
Kallstroemia on Wikipedia.Wikipedia
Tribulus terrestris on Wikipedia.Wikipedia
Categories:
- English terms inherited from Middle English
- English terms derived from Middle English
- English terms inherited from Old English
- English terms derived from Old English
- English terms derived from Medieval Latin
- English terms derived from Latin
- English 2-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- Rhymes:English/æltɹəp
- Rhymes:English/æltɹəp/2 syllables
- Rhymes:English/ɔːltɹəp
- Rhymes:English/ɔːltɹəp/2 syllables
- English lemmas
- English nouns
- English countable nouns
- en:Weapons
- en:Heraldic charges
- English terms with quotations
- English colloquialisms
- en:Caltrop family plants
- en:Thistles