1 by half | Definition of by half

half

noun
\ ˈhaf How to pronounce half (audio) , ˈhäf\
plural halves\ ˈhavz How to pronounce halves (audio) , ˈhävz \

Definition of half

 (Entry 1 of 3)

1a : either of two equal parts that compose something also : a part approximately equal to one of these half the distance the larger half of the fortune
b : half an hour used in designation of time half past two
2 : one of a pair: such as
a : partner
b : semester, term
c : either of the two equal periods that together make up the playing time of some games (such as football) also : the midpoint in playing time the score was tied at the half
4 : halfback