noun. A yard at the rear of a house.

noun. A yard to the rear of a house or similar residence.

noun. A person's neighborhood, or an area nearby to a person's usual residence or place of work and where the person is likely to go.

noun. An area nearby to a country or other jurisidiction's legal boundaries, particularly an area in which the country feels it has an interest.

noun. the grounds in back of a house

"The term backyard can be variously defined as a neighborhood or local community, local government area, a city or even a state."

front yard  

NIMBY  not in my backyard  

curtilage  grounds  yard  

July  courtyard  driveway  hydroponic  lawn