Any limb, top, leaning tree, or other material in the forest that is in danger of falling to the ground without warning, creating a safety hazard. Often applied to limbs that get lodged in the crowns of other trees during a logging operation.

A limb that poses danger to a logger through the possibility of it falling from a tree and hitting him.

A burned tree, or one with a decayed trunk or roots or snagged limbs, that may fall without warning.

a cold blooded killer

(1) a compressed air drill.