(countable) An evergreen tree of the genus Citrus such as Citrus sinensis. / (countable) The fruit of the orange tree; a citrus fruit with a slightly sour flavour.

Having the colour of the fruit of an orange tree; yellowred; reddish-yellow.

(transitive) To color orange. / (intransitive) To become orange.

(grammar) A word that expresses the relative position of an item in a sequence. / (arithmetic) A natural number used to denote position in a sequence.

Connects at least two alternative words, phrases, clauses, sentences, etc. each of which could make a passage true. In English, this is the "inclusive or." The "exclusive or" is formed by "either[…]or".

(logic, electronics) Alternative form of OR

(heraldry) The gold or yellow tincture on a coat of arms.

(heraldry) Of gold or yellow tincture on a coat of arms.

(obsolete) Early (on). / (obsolete) Earlier, previously.

(now archaic or dialect) Before; ere. Followed by "ever" or "ere".