cryptoporticus

About 0.01 uses per million words.

Meaning

1. noun A vaulted arcade or corridor at, or just below, ground level, normally lit by openings in the upper part of the vault; also, a roofed promenade that is enclosed with side walls that have openings or windows instead of columns.

Similar words

porticus portico parvis porch portcullis vault portal anteportico crypt arcade

Often followed by

of was and