Portico at the west end of a basilica or church, especially one at right angles to the nave (7)
I believe the answer is:
narthex
(Another definition for narthex that I've seen is " church portico".)
I've seen this clue in The Mirror.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.