Meaning of sundial

sun•di•al

Pronunciation: (sun'dī"ul, -dīl"), [key]
— n.
  1. an instrument that indicates the time of day by means of the position, on a graduated plate or surface, of the shadow of the gnomon as it is cast by the sun.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: