Definition of tooth shell in English:

tooth shell

Syllabification: tooth shell

noun

A burrowing mollusk with a slender tusk-shaped shell, which is open at both ends and typically white, and a three-lobed foot. Also called tusk shell.
  • Class Scaphopoda, in particular the genus Dentalium
More example sentences
  • Even I, who entered not knowing an egg cockle from a dosinia, came out savvy of tooth shells and lightning whelks.
  • They are also known as tooth shells and resemble an elephant's tusks.
  • Amphineura, containing the chitons, and Scaphopoda, represented by the elephant tooth shell, are two classes of less popular interest.

Definition of tooth shell in:

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Word of the day neoteny
Pronunciation: nēˈätn-ē
noun
retention of juvenile features in the adult animal