Noun: caltrop
| Singular | caltrop |
| Plural | caltrops |
Sample Sentences
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[…] her father, the emperor Alexius, who reigned AD 1081-1118, ordered caltrops to be cast in front of his archers […] [1858, The journal of the British Archaeological Association:]
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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... [1954, Joseph Needham, Ling Wang, Science and civilisation in China:]
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Caltrops, tetrahedrons, and similar devices are designed to puncture vehicle tires or limit foot traffic. The standard design has four points. [2000, Alan Vick, Aerospace operations in urban environments: exploring new concepts:]
Nouns inflected like caltrop
soldier's woundwort,
Nicosian,
whopper,
greypate,
tactile sign language,
chronotrope,
Rosie Lee,
dissentient,
photoinactivator,
sulphonediimine,
coastal waterfall,
residuary devise,
bituminization,
nitrosonaphthol,
smṛiti,
geosphere,
backscreen,
mensuralist,
flocculate,
flocculant, etc. (List truncated at 20 nouns)
Etymology
From Middle English calketrappe, from Old English calcatrippe, from Medieval Latin calcatrippa (“thistle”), from Latin calx or calcare (“to tread”) + trappa (“trap”). See: Middle English Nouns '
calketrappe', Old English Nouns '
calcatrippe', Latin Nouns '
calx'.