transcription, транскрипция: [ ˈkal-trəp, ˈkȯl- ]
noun
also cal·throp -thrəp
Etymology: Middle English caltrappe, alteration of calketrappe star thistle, from Old English calcatrippe, from Medieval Latin calcatrippa
Date: 15th century
1.
a. plural but singular or plural in construction : star thistle 1
b. : puncture vine ; also : any of various related herbs (genera Tribulus and Kallstroemia ) of the same family (Zygophyllaceae, the caltrop family)
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