A's

Variant of a

a definition

a or A (ā)

noun pl. A's (āz), a's

  1. the first letter of the English alphabet: from the Greek alpha, a borrowing from the Phoenician
  2. any of the speech sounds that this letter represents, as, in English, the vowel (a) of hat, (ä) of father, (ā) of bake, or (ô) of call
  3. a type or impression for a or A
  4. the first in a sequence or group
  5. an object shaped like

adjective

  1. of a or A
  2. first in a sequence or group
  3. shaped like
a Idioms

from A to Z

from beginning to end; completely; exhaustively

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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