tooth shell

American

noun

any marine mollusk of the class Scaphopoda, having a curved, tapering shell that is open at both ends.
the shell itself.

tooth shell British

noun

another name for the tusk shell

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tooth shell

First recorded in 1705–15

Example Sentences

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It includes Dentalium, or the tooth shells, and other similar shells.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023