setback

C1 · Advanced Countable noun Architecture Technical

n. a part of a tall building that is set back from the lower part, creating a step-like shape.

n. a step-like recession in the profile of a high-rise building, often required by zoning laws to allow light to reach the street.

“The skyscraper has several setbacks that make it look like a giant staircase.”

“The architect utilised a series of setbacks to comply with local light-access regulations while creating outdoor terraces for the upper-floor residents.”

C1 · Advanced Countable noun Law American English · Technical

n. the legal distance that a building must be kept away from a road or a property line.

n. the minimum distance which a building or other structure must be set back from a street, river, or other boundary.

“We couldn't build the garage there because it didn't meet the city's setback requirements.”

“The zoning board denied the permit because the proposed extension violated the ten-foot setback required for residential corner lots.”

C2 · Proficiency Countable noun Computing Technical

n. a lower temperature setting on a heater for times when you are away or asleep.

n. a programmed reduction in the target temperature of a climate control system during periods of low occupancy.

“Setting a nightly setback on your thermostat can save a lot of money on heating bills.”

“The smart home system automatically initiates a ten-degree setback once the security sensors detect that the building is unoccupied.”