Āçe, n.

n. [Lat. as, unity, unit, pound; Fr. as, Pr. & Sp. as, Pg. az, It. asso, Ger. ass; Gr. Dor. ās, ais, equiv. to eis, one.]

1Sense 1. A unit; a single point on a card or die; or the card or die so marked; as, the ace of diamonds.

2Sense 2. Hence, a very small quantity or degree; a particle; an atom.

I'll not wag an ace further. Dryden.

To bate an ace, to hesitate; to show reluctance. [Obs.]