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Webster 1913 Edition


Lithodomus


Li-thod′o-mus

,
Noun.
[NL. See
Lithodome
.]
(Zool.)
A genus of elongated bivalve shells, allied to the mussels, and remarkable for their ability to bore holes for shelter, in solid limestone, shells, etc. Called also
Lithophagus
.
☞ These holes are at first very small and shallow, but are enlarged with the growth of the shell, sometimes becoming two or three inches deep and nearly an inch diameter.