'Spur-shell' definitions:

Definition of 'Spur-shell'

From: GCIDE

Spur-shell \Spur"-shell`\ (sp[^u]r"sh[e^]l`), n. (Zool.) Any one of several species of handsome marine gastropod shells of the genus Trochus, or Imperator. The shell is conical, with the margin toothed somewhat like the rowel of a spur. [1913 Webster]