Definify.com

Webster 1913 Edition


Turban-shell

Tur′ban-shellˊ

,
Noun.
(Zool.)
A sea urchin when deprived of its spines; – popularly so called from a fancied resemblance to a turban.

Webster 1828 Edition


Turban-shell

TUR'BAN-SHELL

,
Noun.
In natural history, a genus of shells, or rather of sea urchins, (echinodermata,) of a hemispheric or spheroidal shape, the Cidaris of Klein.