What does "back house" mean?

Alternative form of backhouse: any outbuilding; an outhouse.

What is a synonym for "back house"?

Common synonyms include: garden apartment.

noun

noun ·Rare ·Advanced level

Noun

1
Alternative form of backhouse: any outbuilding; an outhouse. alt-of, alternative, obsolete
2
A garden apartment.

From their location behind the main house of an estate.