'Sacella' definitions:

Definition of 'Sacella'

From: GCIDE

Sacellum \Sa*cel"lum\, n.; pl. Sacella. [L., dim. of sacrum a sacred place.] (a) (Rom. Antiq.) An unroofed space consecrated to a divinity. (b) (Eccl.) A small monumental chapel in a church. --Shipley. [1913 Webster]