occidental

Short definition from Wiktionary

Adjective

1. 1
   Of, pertaining to, or situated in, the occident, or west; western.
2. 2
   Of a gem or precious stone: of inferior value or quality.
3. 3
   Alternative letter-case form of occidental.

Noun

1. 1
   A Western Christian of the Latin rite

Proper noun

1. 1
   An artificial language, created by Edgar de Wahl later renamed Interlingue shortly before the publication of Interlingua
2. 2
   A census-designated place in Sonoma County, California, United States.