Mesozoa
Pronunciation : Mes`o*zo"a
Part of Speech : n.
Etymology : [NL. See Mesozoic.] (Zo?l.)
Definition : Defn: A group of very lowly organized, wormlike parasites, including the Dicyemata. They are found in cephalopods. See Dicyemata.
pl.
Source : Webster's Unabridged Dictionary, 1913