3. (Arch.) (a) The uppermost member or division of the capital of a column, immediately under the architrave. See Column. (b) A tablet, panel, or compartment in ornamented or mosaic work.

4. A board, tray, or table, divided into perforated compartments, for holding cups, bottles, or the like; a kind of cupboard, buffet, or sideboard. Abacus harmonicus (Mus.), an ancient diagram showing the structure and disposition of the keys of an instrument. Crabb.

ABADA
Ab"a*da, n. Etym: [Pg., the female rhinoceros.]

Defn: The rhinoceros. [Obs.] Purchas.

ABADDON A*bad"don, n. Etym: [Heb. abaddon destruction, abyss, fr. abad to be lost, to perish.]

1. The destroyer, or angel of the bottomless pit; — the same as Apollyon and Asmodeus.

2. Hell; the bottomless pit. [Poetic] In all her gates, Abaddon rues Thy bold attempt. Milton.

ABAFT A*baft", prep. Etym: [Pref. a-on + OE. baft, baften, biaften, AS. beæftan; be by + æftan behind. See After, Aft, By.] (Naut.)

Defn: Behind; toward the stern from; as, abaft the wheelhouse. Abaft the beam. See under Beam.

ABAFT
A*baft", adv. (Naut.)