'Nautiloid' definitions:

Definition of 'Nautiloid'

From: GCIDE

Nautiloid \Nau"ti*loid\, a. [Nautilus + -oid: cf. F. nautilo["i]de.] (Zool.) Like or pertaining to the nautilus; shaped like a nautilus shell. -- n. A mollusk, or shell, of the genus Nautilus or family Nautilidae. [1913 Webster]