Defn: Pertaining to the surface or end opposite to the mouth in a radiate animal; — opposed to actinal. "The aboral or abactinal area." L. Agassiz.

ABACTION
Ab*ac"tion, n.

Defn: Stealing cattle on a large scale. [Obs.]

ABACTOR Ab*ac"tor, n. Etym: [L., fr. abigere to drive away; ab+agere to drive.] (Law)

Defn: One who steals and drives away cattle or beasts by herds or droves. [Obs.]

ABACULUS
A*bac"u*lus, n.; pl. Abaculi. Etym: [L., dim. of abacus.] (Arch.)

Defn: A small tile of glass, marble, or other substance, of various colors, used in making ornamental patterns in mosaic pavements. Fairholt.

ABACUS
Ab"a*cus, n. E. pl. Abacuses ; L. pl. Abaci. Etym: [L. abacus, abax,
Gr.

1. A table or tray strewn with sand, anciently used for drawing, calculating, etc. [Obs.]

2. A calculating table or frame; an instrument for performing arithmetical calculations by balls sliding on wires, or counters in grooves, the lowest line representing units, the second line, tens, etc. It is still employed in China.