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cal·trop
 caltrop
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- pronunciation:
- kael
tr
 p
| part of speech: |
noun |
| definition 1: |
a metal device with four sharp spikes set so that one of them always points upward, used to injure or hinder cavalry horses or vehicles with pneumatic tires.
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| definition 2: |
any of various plants that have spiky or star-shaped flowers or other parts.
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