What is the meaning of 西?

west (one of the four cardinal directions)

the West

the west wind, wind blowing from the west

in kabuki:

1. the left side of the stage in the Edo-style
2. the right side of the stage in Kyoto and Osaka styles

the left side of the stage in the Edo-style

the right side of the stage in Kyoto and Osaka styles

lower-ranked wrestlers listed on the left side of a banzuke

the West; the capitalist states of the West (originally western Europe, as opposed to Eastern Bloc countries)

synonym of 西方浄土 (Saihō Jōdo): the western paradise of Amitabha Buddha

short for 西本願寺 (Nishi Hongan-ji): a Buddhist temple in Kyoto

a red-light district in Edo-period Shinjuku (as it was located west of Edo Castle)

a place name, especially the name of various wards in major cities throughout Japan

a surname

west wind (mahjong tile)

a 役 (yaku, “winning hand”) with a triplet or quad of west wind tiles; depending on wind round and player's seat wind, it is worth either 1 or 2 翻 (han, “doubles”)

the West

chữ Hán form of tây

1. west
2. West (the Western world)

west

West (the Western world)

chữ Hán form of tây (“Western, especially Western European or French”)

chữ Nôm form of tây (“ personal, private”)

Source: wiktionary.org