halve 
/ˈhæv, Brit ˈhɑ:v/ verb
halves; halved; halv·ing /ˈhæv, Brit ˈhɑ:v/ verb [+ obj] 1 : to divide (something) into two equal parts : to divide (something) into halves
▪ He halved the sandwich. 2 : to reduce (something) to one half of the original amount or size
▪ The store is halving the price of many summer items.
▪ He halved the sandwich.
▪ The store is halving the price of many summer items.
