sedilia


se·di·le

S0211900 (sĭ-dī′lē)n. pl. se·di·lia (-dĭl′yə, -dĭl′ē-ə) One of a set of seats provided in a church for the use of the presiding clergy, usually three in number and located on the liturgical south side of the chancel, often in a niche built into the wall.
[Latin sedīle, seat, from sedēre, to sit; see sed- in Indo-European roots.]

sedilia

(sɛˈdaɪlɪə) n (Ecclesiastical Terms) (functioning as singular) the group of three seats, each called a sedile (sɛˈdaɪlɪ) or sedilium (sɛˈdaɪlɪəm), often recessed, on the south side of a sanctuary where the celebrant and ministers sit at certain points during High Mass[C18: from Latin, from sedīle a chair, from sedēre to sit]