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tusk shell

tusk shell

noun

  1. 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 calledtooth shell


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Word History and Origins

Origin of tusk shell1

An Americanism dating back to 1860–65

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Example Sentences

The standard Yurok shell bead is the hollow tusk shell (Dentalia indianorum), which is long, cylindrical, and of small diameter.

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