'Spermosphere' definitions:

Definition of 'Spermosphere'

From: GCIDE

Spermosphere \Sper"mo*sphere\, n. [Spermo- + sphere.] (Physiol.) A mass or ball of cells formed by the repeated division of a male germinal cell (spermospore), each constituent cell (spermoblast) of which is converted into a spermatozoid; a spermatogemma. [1913 Webster]