Definify.com

Webster 1913 Edition

Adj.

[

Nautilus

-oid

: cf. F.

nautiloïde

(Zool.)

Like or pertaining to the nautilus; shaped like a nautilus shell.

–

Noun.

A mollusk, or shell, of the genus

Nautilus

or family

Nautilidae

nautiloid ‎(comparative more nautiloid, superlative most nautiloid)

nautiloid ‎(plural nautiloids)