'Polygastrica' definitions:

Definition of 'Polygastrica'

From: GCIDE

Polygastrica \Pol`y*gas"tri*ca\ (-tr[i^]*k[.a]), n. pl. [NL. So called because they were supposed to have several stomachs, or digestive cavities.] (Zool.) The Infusoria. [Obs.] [1913 Webster] Polygenesis