The kanji 西 primarily means "west." It represents the direction where the sun sets.

・On-yomi (音読み): セイ (sei) ・Kun-yomi (訓読み): にし (nishi)

⚫︎西日本 Translation: Western Japan ⚫︎西方 Translation: The West; the western direction ⚫︎東西 Translation: East and West

The character 西 originally depicted a bird's nest. Over time, the shape evolved and came to represent the west, likely because birds often return to their nests (in the west) as the sun sets.