Spermosphere
Pronunciation : Sper"mo*sphere
Part of Speech : n.
Etymology : [Spermo- + sphere.] (Physiol.)
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913