Noun
low space beneath a floor of a building; gives workers access to wiring or plumbing
Source: WordNetAnd then they moved to their first home in Buffalo Grove, where Bev would one day hustle the kids into a crawlspace ahead of a tornado that clipped the home. Source: Internet
The vacuum cleaner half may have one or two large ducts running through the crawlspace (most do) and if detached or damaged in this space, can draw damp air, mold, fungus or other wondrous elements into the house. Source: Internet
But I never experienced a crawlspace until moving to the Southwest. Source: Internet