noun
plural rears
[noncount] :the part of something that is opposite to or away from the front part :the back part of something
[count] informal :the part of your body that you sit on :buttocks
usually singular
bring up the rear
to be in the last position in a group, line, etc.
adjective
always used before a noun
at or near the back of something
verb
rears; reared; rearing
[+ obj] :to take care of (a young person or animal)
[no obj] of an animal :to rise up on the back legs with the front legs in the air
[no obj] :to rise high in the air
rear its ugly head