Meaning of A in English

A

I

a indef article, before a consonant sound, strong form BrE AmE eɪ , weak form ə —See also ↑ an

II

a Latin preposition BrE AmE eɪ ɑː —See also phrases with this word

III

a, à French preposition BrE AmE æ ɑː —See also phrases with this word

Longman Pronunciation English Dictionary.      Английский словарь произношений Longman.