backside

1. The back side of anything, the part opposite its front, particularly:Examples: "I gazed uncomprehendedly at the unfinished backside of the wall of the next room and wondered what had happened to my face."

2. The back side of anything, the part opposite its front, particularly:Examples: "The building's backside faced an alley and was covered in grime and graffiti."Synonyms: backhouse

3. The back side of anything, the part opposite its front, particularly:Examples: "Having ridden the horse all day for the first time, I had painful blisters on my backside."; "With an arrowe so broad, He shott him into the backe-syde."; "Our toilet was an outside netty shared between two or three families, where you sat on a hole and hoped the cat wouldn't jump at your backside."Synonyms: reareuphemistic

4. The back side of anything, the part opposite its front, particularly:Synonyms: versoobsolete

5. (figuratively) The reverse or opposite of anything.Examples: "...to endorse him on the backside of posterity, not a golden, but a brazen Asse..."figuratively