'Spongoblast' definitions:

Definition of 'Spongoblast'

From: GCIDE

Spongoblast \Spon"go*blast\ (sp[o^][ng]"g[-o]*bl[a^]st), n. [Gr. spo`ggos sponge + -blast.] (Zool.) One of the cells which, in sponges, secrete the spongin, or the material of the horny fibers. [1913 Webster]