noun
: a belt-shifter fork between whose prongs a belt runs and moves laterally (as from a loose to a tight pulley) in response to pressure from either prong
noun
: a belt-shifter fork between whose prongs a belt runs and moves laterally (as from a loose to a tight pulley) in response to pressure from either prong
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012