A gear by means of which the speed of machinery or of a vehicle may be changed while that of the propelling engine or motor remains constant; called also change-speed gear
gear change
Turkish pronunciation
gîr çeync
Pronunciation
/ˈgər ˈʧānʤ/ /ˈɡɪr ˈʧeɪnʤ/
Etymology
[ 'gir ] (noun.) 14th century. Middle English gere, from Old Norse gervi, gorvi; akin to Old English gearwe equipment, clothing, gearu ready; more at YARE.