(definition) by Webster 1913 Wed Dec 22 1999 at 1:08:49

Mes`o*zo"a (?), n. pl. [NL. See Mesozoic.] Zool.

A group of very lowly organized, wormlike parasites, including the Dicyemata. They are found in cephalopods. See Dicyemata.

 

© Webster 1913.

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