To remove all trees or vegetation from an area.

Alternative spelling of clear cut

a signal that danger, such as an air raid, is over; usually a siren at a single pitch / permission to proceed after obstacles have been removed

To assuage a hostile situation.

A sign or signal indicating that a hindrance or danger is clear.

(law) Full ownership of something, usually land, that is free of any encumbrances.

Slash and burn (technique in agriculture where plant matter is roughly cut down and then burned over to prepare fields for the next crop)

Third-person singular simple present indicative form of clear off

(archaic) chiaroscuro

plural of clear-obscure