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The Collaborative International Dictionary
Meroistic

Meroistic \Mer`o*is"tic\, a. [Gr. me`ros part + ? an egg.] (Zo["o]l.) Applied to the ovaries of insects when they secrete vitelligenous cells, as well as ova.

Wiktionary
meroistic

a. (context biology English) Describing ovary (especially of insects) that secrete nutritive (yolk) material as well as ovum