Rural dwelling (7)
'rural dwelling' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for cottage that I've seen before include "To make a home" , "building" , "Modest accommodation" , "Small one-storied house" , "Small home" .)
(Other definitions for homestead that I've seen before include "Dwelling" , "House of station" , "US ranch house" , "House with adjoining farm" .)