crawlspace

crawl·space or crawl space  (krôlsps)

n.

A low or narrow space, such as one beneath the upper or lower story of a building, that gives workers access to plumbing or wiring equipment.

Thesaurus

Noun

1.

crawlspace - low space beneath a floor of a building; gives workers access to wiring or plumbing crawl space building, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice" space - an area reserved for some particular purpose; "the laboratory's floor space"