(law) A house intended as a residential building (and not, for example, as a place of business).

plural of cave dweller

(US, Canada, Australia, sports) A team at the bottom of a league, or in a lower league.

plural of cellar dweller

(sometimes derogatory) An adult who lives in their parents' house (stereotypically in their basement); often with implications of idleness or social awkwardness.

plural of basement-dweller

(Australia) An Aboriginal person living on the outskirts of a town or other settlement.

A person living in a city.

(informal, derogatory) A nerd or geek; a person lacking a social life. / Used other than figuratively or idiomatically: see basement, dweller.

plural of basement dweller