Refers to the back part or rear side of something, often contrasted with the front. Similar to 裏側 but more about spatial position than hidden side.
See also: 裏側
There is a parking lot at the back of the building.
The back of this machine gets hot, so please don't touch it.
Standard spelling with regular okurigana.
Irregular okurigana usage; less common and may be ambiguous.
Search-only form mixing kana and kanji.
Compound of 後ろ (ushiro, 'back') and 側 (gawa, 'side').