tusk shell

noun

tooth shell.

Origin of tusk shell

An Americanism dating back to 1860–65

Words nearby tusk shell

tushery, tushie, tushy, tusi, tusk, tusk shell, tuskegee, tusker, tussah, tussal, tussaud

British Dictionary definitions for tusk shell

tusk shell

noun

any of various burrowing seashore molluscs of the genus Dentalium and related genera that have a long narrow tubular shell open at both ends: class Scaphopoda Also called: tooth shell