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trument to show the time of day by means of the shadow of a gnomon, or style, on a plate. Sundial shell (Zoöl.), any shell of the genus Solarium. See Solarium.

d the thirty-two points or rhumbs. -- Compass dial, a small pocket compass fitted with a sundial to tell the hour of the day. -- Compass plane (Carp.), a plane, convex in the direction of its length on the under side, for smoothing the concave faces of curved woodwork. -- Compass plant, Compass flower (Bot.), a plan…

e time of day from the shadow of a style or gnomon on a graduated arc or surface; esp., a sundial; but there are lunar and astral dials. The style or gnomon is usually parallel to the earth's axis, but the dial plate may be either horizontal or vertical.

An instrument combining a compass, sundial, and universal time dial. Brande & C.

Belonging to a sundial. [Obs.] Sir T. Browne. -- Sci`a*ther"ic*al*ly, adv. [Obs.] J. Gregory.

Of or pertaining to a sundial. Sciotheric telescope (Dialing), an instrument consisting of a horizontal dial, with a telescope attached to it, used for determining the time, whether of day or night.