yes; ay; a word expressing assent, or an affirmative, or an affirmative answer to a question, now superseded by yes.  see yes.-more than this; not only so, but; -- used to mark the addition of a more specific or more emphatic clause.  cf. nay, adv., 2.-an affirmative vote; one who votes in the affirmative; as, a vote by yeas and nays.