The phrase "accessory structure" is correct and usable in written English.
It is typically used in contexts related to architecture, construction, or zoning regulations to refer to a secondary building or feature that is subordinate to a primary structure.
Example: "The city council approved the construction of an accessory structure in the backyard, which will serve as a storage shed."
Alternatives: "secondary structure" or "supplementary building".
"What the county approved was a residential accessory structure.
"I wanted to build a Japanese teahouse, but the town doesn't allow an accessory structure without a house," she said.
The building inspector said they needed a building permit, and Mr. Thiele issued an opinion that the sculpture should be considered an accessory structure and conform with the village code.
By considering the carbody accessory structure, some progress has already been achieved.
Because state law mandates cities to approve building permits for ADUs where the unit is contained within the existing area of a single-family residence or existing accessory structure, like a garage, property owners of smaller lots could renovate their existing structure and then have it converted to an accessory dwelling unit after the fact.
Manipulation of the actin core and protein accessory structure to modify axial and bending stiffness could also be revealing.
Fishes also have evolved accessory structures for obtaining oxygen from the air.
The genitalia and their accessory structures, usually located in the ninth abdominal segment, are important in classification.
He said he could envision five-acre lots for each house and its accessory structures like a barn and a garage.
"The main structure does not conform.... the accessory structures are not permitted... the project should have been referred to the Planning Board for environmental review," the papers state.
Prolactin also appears to be involved in the differentiation and function of many sex accessory structures in nonmammals, and in the stimulation of the mammalian prostate gland.
