caltrop

play
noun cal·trop \ˈkal-trəp, ˈkȯl-\
variants: or less commonly

calthrop

play \-thrəp\

Definition of caltrop

  1. 1a caltrops also calthrops plural in form but singular or plural in construction :  star thistle 1b :  puncture vine; also :  any of various related herbs (genera Tribulus and Kallstroemia) of the same family (Zygophyllaceae, the caltrop family)

  2. 2 :  a device with four metal points so arranged that when any three are on the ground the fourth projects upward as a hazard to the hooves of horses or to pneumatic tires

Origin and Etymology of caltrop

Middle English caltrappe, alteration of calketrappe star thistle, from Old English calcatrippe, from Medieval Latin calcatrippa


First Known Use: 15th century


Seen and Heard

What made you want to look up caltrop? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

holding stubbornly to a belief or view

Get Word of the Day daily email!