
1) Chancel seats 2) South-side pews
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https://www.crosswordclues.com/clue/sedilia

In ecclesiastical architecture, sedilia (the plural of Lat. sedile, seat) are stone seats, found on the liturgical south side of an altar, often in the chancel, for the use during Mass for the officiating priest and his assistants, the deacon and sub-deacon. The seat is often set back into the main wall of the church itself. When there is only one...
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http://en.wikipedia.org/wiki/Sedilia

stone seats for clergy in wall of chancel
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http://phrontistery.info/s.html

• (n. pl.) Seats in the chancel of a church near the altar for the officiating clergy during intervals of service.
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http://thinkexist.com/dictionary/meaning/sedilia/

in architecture, group of seats for the clergy in a Christian church of Gothic style. Usually consisting of three separate stone seatsfor the ...
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http://www.britannica.com/eb/a-z/s/57

seats built into the south side of the chancel, usually 3, often graded by height and decoration, for the priests
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http://www.encyclo.co.uk/local/20559

In church architecture, a row of seats, usually three in number, on the south side of the chancel, for the officiating clergy. Most examples are late Gothic, with richly carved canopies. ...
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http://www.encyclo.co.uk/local/20688

A set of one to three recesses in the chancel wall, used as seats for the clergy during Mass.
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http://www.encyclo.co.uk/local/20941

A set of one to three recesses in the chancel wall, used as seats for the clergy during Mass.
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http://www.encyclo.co.uk/local/22200
Se·dil'i·a noun plural ; sing.
Sedile [ Latin
sedile a seat.]
(Architecture) Seats in the chancel of a church near the altar for the officiating clergy during intervals of service.
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http://www.encyclo.co.uk/webster/S/53

Sedilia (sedile) is the Latin name for a seat, which in modern times has come to be pretty generally applied by way of distinction to the seats on the south side of the choir near the altar in churches, used in the Roman Catholic service by the priest and his attendants, the deacon and subdeacon, during certain parts of the mass. They were sometime...
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http://www.probertencyclopaedia.com/browse/TS.HTM
No exact match found.