Defn: A small dam to prevent free passage of water in an adit or level.

ASUNDER
A*sun"der, adv. Etym: [Pref. a- + sunder.]

Defn: Apart; separate from each other; into parts; in two;
separately; into or in different pieces or places.
I took my staff, even Beauty, and cut it asunder. Zech. xi. 10.
As wide asunder as pole and pole. Froude.

ASURA
A*su"ra, n. (Hind. Myth.)

Defn: An enemy of the gods, esp. one of a race of demons and giants.

ASWAIL
As"wail, n. Etym: [Native name.] (Zoöl.)

Defn: The sloth bear (Melursus labiatus) of India.

ASWEVE
A*sweve", v. t. Etym: [AS. aswebban; a + swebban. See Sweven.]

Defn: To stupefy. [Obs.] Chaucer.

ASWING
A*swing", adv.