(an, unstressed ən) indefinite article & adjective
1. Each or any.
2. One; one kind of; one single. Used like the article a, but before words beginning with a vowel sound; as, an acorn, an honest man.
3. For each: The price is a dollar an apple. [OE an one]

(an, unstressed ən) conj. Archaic
And, especially in the sense and if or if: often written an'. See AND.

Without; not: anacid, anarchy. Also, before consonants except h, a- (called alpha privative). [ < Gk.]

Var. of ANA-.

Assimilated var. of AD-.

Used to form adjectives and nouns denoting connection with a country, person, group, doctrine, etc., as follows:
1. Pertaining to; belonging to: human, sylvan.
2. Originating in; living in: Italian.
3. Adhering to; following: Lutheran. [ < L -anus]