Definition of house-flag:
(n) :
A structure built or serving as an abode of human beings.
(n) :
(Hong Kong, only used in names) An apartment building within a public housing estate.
(n) :
A container; a thing which houses another.
(n) :
(uncountable) Size and quality of residential accommodations; housing.
(n) :
A building intended to contain a single household, as opposed to an apartment or condominium or building containing these.
(n) :
The people who live in a house; a household.