crawlspace

English Thesaurus

1. low space beneath a floor of a building; gives workers access to wiring or plumbing (noun.location)

hypernym	:	space,
definition	:	an area reserved for some particular purpose (noun.location)

part meronym	:	building, edifice,
definition	:	a structure that has a roof and walls and stands more or less permanently in one place (noun.artifact)