the first letter of the English alphabet
a written character or design denoting this letter
the sound represented by this letter, one of the English vowels
an item designated as A, esp the first in a series
a mark or grade rating a student's work as excellent
in music, the sixth note of the diatonic scale of C major
in the ABO system of human blood classification, a type containing the A antigen
from A to Z
from beginning to end