Definitions

1. noun

A place where an aircraft can land in an emergency.

“The pilot was forced to make an emergency setdown in a nearby field.”

2. noun

A place or equipment where something (especially a machine or an aircraft) is set down or lowered.

“The machine required a setdown area to be safely serviced.”

3. verb

To set down an aircraft or a machine in an emergency.

“The pilot had to set down the plane quickly due to bad weather.”

4. verb

To lower or place something, especially a machine, in a particular position.

“The crew had to set down the heavy machinery carefully.”