Defn: A genus of ganoid fishes, including the sturgeons, having the body armed with bony scales, and the mouth on the under side of the head. See Sturgeon.

ACIURGY
Ac"i*ur`gy, n. Etym: [Gr.

Defn: Operative surgery.

ACKNOW
Ac*know", v. t. Etym: [Pref. a- + know; AS. oncnawan.]

1. To recognize. [Obs.] "You will not be acknown, sir." B. Jonson.

2. To acknowledge; to confess. [Obs.] Chaucer. To be acknown (often with of or on), to acknowledge; to confess. [Obs.] We say of a stubborn body that standeth still in the denying of his fault, This man will not acknowledge his fault, or, He will not be acknown of his fault. Sir T. More.

ACKNOWLEDGE
Ac*knowl"edge, v. t. [imp. & p. p. Acknowledged; p. pr. & vb. n.
Acknowledging.] Etym: [Prob. fr. pref. a- + the verb knowledge. See
Knowledge, and ci. Acknow.]

1. To of or admit the knowledge of; to recognize as a fact or truth; to declare one's belief in; as, to acknowledge the being of a God. I acknowledge my transgressions. Ps. li. 3. For ends generally acknowledged to be good. Macaulay.

2. To own or recognize in a particular character or relationship; to admit the claims or authority of; to give recognition to. In all thy ways acknowledge Him. Prov. iii. 6. By my soul, I'll ne'er acknowledge thee. Shak.

3. To own with gratitude or as a benefit or an obligation; as, to acknowledge a favor, the receipt of a letter. They his gifts acknowledged none. Milton.