noun, plural se·dil·i·a [se-dil-ee-uh] /sɛˈdɪl i ə/. Ecclesiastical.
- one of the seats (usually three) on the south side of the chancel, often recessed, for the use of the officiating clergy.
noun
- (functioning as singular) the group of three seats, each called a sedile (sɛˈdaɪlɪ), often recessed, on the south side of a sanctuary where the celebrant and ministers sit at certain points during High Mass