What is A?

A definition and meaning on Dictionary terms:
noun, plural A’s or As, a’s or as.
the first letter of the English alphabet, a vowel.
any spoken sound represented by the letter A or a, as in bake, hat, father, or small.
something having the shape of an A.
a written or printed representation of the letter A or a.
a device, as a printer’s type, for reproducing the letter A or a.


reference: www.dictionary.com/browse/a