Covered passageway and Crawl space

Crawl space and covered passageway are semantically related. In some cases you can use "Crawl space" instead a noun phrase "Covered passageway".

Crawl space noun - Low space beneath a floor of a building; gives workers access to wiring or plumbing.

Covered passageway and crawl space are semantically related. You can use "Covered passageway" instead a noun phrase "Crawl space".