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calthrop
Variant of caltrop
noun
- an iron device with four spikes, placed on the ground so that one spike sticks up to hinder enemy cavalry
- a similar device used to puncture pneumatic tires
- any of a number of plants with spiny flowering parts or fruits; specif.,
- various plants (esp. Tribulus terrestris) of the caltrop family
- various plants of other families, as star thistle and water chestnut
adjective
designating a family (Zygophyllaceae) of dicotyledonous plants, shrubs, or trees (order Sapindales), including guaiacum, creosote bush, and bean caper
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
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