Definitions
1.pronounThe speaker or writer, referred to as the grammatical subject, of a sentence.
2.pronounThe speaker or writer, referred to as the grammatical object, of a sentence."Mom drove my sister and I to school."
3.nounAn instance of the interjection ah."the crowd's oohs and ahs at the fireworks"
4.verbTo give a cry of "ah".
5.interjectionAn expression of relief, relaxation, comfort, confusion, understanding, wonder, awe, etc. according to uttered inflection."Ah! It's good to be back home!"
6.interjectionA syllable used to fill space, particularly in music.