Transepts

the crossing arms of the church, generally aligned north-south.
Found on http://www.britainexpress.com/History/medieval/church-glossary.htm

Transepts

The side arms from a crucifix shaped church which project north and south of the main chancel-nave east-west line.
Found on http://www.keystothepast.info/durhamcc/k2p.nsf/k2pGlossaryList?readform&let
No exact match found