'Sundial shell' definitions:

Definition of 'Sundial shell'

From: GCIDE
  • Sundial \Sun"di`al\, n. An instrument to show the time of day by means of the shadow of a gnomon, or style, on a plate. [1913 Webster]
  • Sundial shell (Zool.), any shell of the genus Solarium. See Solarium. [1913 Webster]