aisless
Adjective
Meaning
Without an aisle.
Source: Webster's dictionaryExamples
In the same region, Angoulême Cathedral is an aisless church of the Latin cross plan, more usual in France, but is also roofed with domes.
The simplest Romanesque churches are aisless halls with a projecting apse at the chancel end, or sometimes, particularly in England, a projecting rectangular chancel with a chancel arch that might be decorated with mouldings.