transept definition by Webster's New World
- the part of a cross-shaped church at right angles to the long, main section, or nave
- either arm of this part, outside the nave
Origin: Modern Latin transeptum ; from Classical Latin trans-, across plush septum: see septum
transept definition by American Heritage Dictionary
- The transverse part of a cruciform church, crossing the nave at right angles.
- Either of the two lateral arms of such a part.
Origin: New Latin trānsēptum : Latin trāns-, trans- + Latin saeptum, partition; see septum.
- tran·sepˈtal adjective