from The Century Dictionary.
- A class of Mollusca (formerly an order of gastropods), having the foot fitted for burrowing; the tooth-shells, also called Cirribranchiata, Prosopocephala, and Solenoconchæ.
from the GNU version of the Collaborative International Dictionary of English.
- noun plural (Zoöl.) A class of marine cephalate Mollusca having a tubular shell open at both ends, a pointed or spadelike foot for burrowing, and many long, slender, prehensile oral tentacles. It includes Dentalium, or the tooth shells, and other similar shells. Called also
Prosopocephala, and Solenoconcha.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun small class of bilaterally symmetrical marine forms comprising the tooth shells
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