Indusial
Pronunciation : In*du"sial
Part of Speech : a.
Etymology : [See Indusium.]
Definition : Defn: Of, pertaining to, or containing, the petrified cases of the larv? of certain insects. Indusial limestone (Geol.), a fresh-water limestone, largely composed of the agglomerated cases of caddice worms, or larv? of caddice flies (Phryganea). It is found in Miocene strata of Auvergne, France, and some other localities.
Source : Webster's Unabridged Dictionary, 1913