n. [ F. chasuble, LL. casubula, cassibula, casula, a hooded garment, covering the person like a little house; cf. It. casupola, casipola, cottage, dim of L. casa cottage. ] (Eccl.) The outer vestment worn by the priest in saying Mass, consisting, in the Roman Catholic Church, of a broad, flat, back piece, and a narrower front piece, the two connected over the shoulders only. The back has usually a large cross, the front an upright bar or pillar, designed to be emblematical of Christ's sufferings. In the Greek Church the chasuble is a large round mantle. [ Written also chasible, and chesible. ] [ 1913 Webster ]