backside Meaning, Definition & Usage

noun the side of an object that is opposite its front
back end; rear.
- his room was toward the rear of the hotel
noun the fleshy part of the human body that you sit on
bum; seat; stern; keister; tail end; prat; bottom; rear end; buns; tail; tush; rump; fanny; ass; behind; tooshie; hind end; posterior; hindquarters; butt; nates; rear; arse; buttocks; derriere; can; fundament.
- he deserves a good kick in the butt
- are you going to sit on your fanny and do nothing?

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.