1. The psalm usually appointed for penitential acts, being the 50th psalm in the latin version. It commences with the word miserere.
2. A musical composition adapted to the 50th psalm. Where only the wind signs miserere. (Lowell)
3. A small projecting boss or bracket, on the under side of the hinged seat of a church stall (see Stall). It was intended, the seat being turned up, to give some support to a worshiper when standing. Called also misericordia.
4. (Science: medicine) same as ileus.
Origin: L, have mercy, fr. Misereri to have mercy, fr. Miser. See Miser.