Definify.com

Webster 1913 Edition

(băk′sīdˊ)

Noun.

[

Back

, a. +

side

The hinder part, posteriors, or rump of a person or animal.

☞ Backside (one word) was formerly used of the rear part or side of any thing or place, but in such senses is now two words.

Noun.

[back and side.] The back part of anything; the part behind that which is presented to the face of a spectator. Ex.iii.

The hind part of an animal.

The yard, ground or place behind a house.