Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: backside  'bak,sId [N. Amer], ,bak'sId [Brit]
  1. The side of an object that is opposite its front
    "his room was toward the backside of the hotel";
    - rear, back end
  2. The fleshy part of the human body that you sit on
    "he deserves a good kick in the backside";
    - buttocks, nates, butt, bum, buns [N. Amer], can [N. Amer, informal], fundament, hindquarters, hind end, posterior, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush [N. Amer], bottom, behind, derriere, bahookie [UK, dialect, informal], botty [informal], patootie [US, informal], heinie [US], tushy [N. Amer], derrière

Derived forms: backsides

Type of: body part, face, side

Part of: body, torso, trunk

Encyclopedia: Backside