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| cal·trop [ káltrəp, káwltrəp ] (plural cal·trops) |
noun |
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| Definition: |
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1. (plural cal·trops or cal·trop) spiny plant: a spiny plant harmful to livestock. Native to: Europe, naturalized in California. Latin name Tribulus terrestris.
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2. plants
Same as star thistle
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3. plants
Same as water chestnut (sense 3)
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4. military spikes to catch hooves or tires: a military device with four spikes arranged so that one will always point upward, scattered on the ground to lame horses or puncture tires
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| [Pre-12th century. Variant of obsolete calcatrippe "thistle" < medieval Latin calcatrippa] |
