(1):

(adv.) More than this; not only so, but; - used to mark the addition of a more specific or more emphatic clause. Cf. Nay, adv., 2.

(2):

(n.) An affirmative vote; one who votes in the affirmative; as, a vote by yeas and nays.

(3):

(adv.) Yes; ay; a word expressing assent, or an affirmative, or an affirmative answer to a question, now superseded by yes. See Yes.