Defn: A pyramidal form under the rhombohedral system, inclosed by twelve faces, each a scalene triangle.

SCALER
Scal"er, n.

Defn: One who, or that which, scales; specifically, a dentist's instrument for removing tartar from the teeth.

SCALE-WINGED
Scale"-winged`, a. (Zoöl.)

Defn: Having the wings covered with small scalelike structures, as the lepidoptera; scaly-winged.

SCALINESS
Scal"i*ness, n.

Defn: The state of being scaly; roughness.

SCALING
Scal"ing, a.

1. Adapted for removing scales, as from a fish; as, a scaling knife; adapted for removing scale, as from the interior of a steam boiler; as, a scaling hammer, bar, etc.

2. Serving as an aid in clambering; as, a scaling ladder, used in assaulting a fortified place.