rear

noun

1.
the back of a military formation or procession
Antonym:
head
2.
the side of an object that is opposite its front
back end backside
Antonym:
front
Derived from:
rear
3.
the part of something that is furthest from the normal viewer
back
Derived from:
rear
4.
5.
the side that goes last or is not normally seen
back
Antonym:
front
Derived from:
rear