A region of the stratosphere over Antarctica (and a smaller one over the Arctic) that is depleted of ozone in the local spring.

A hole drilled into a surface so that, when a screw is inserted, the screw head is level with the surface.

A hole through an object which is large enough to enable threads of a screw or bolt to pass through but not the head of the screw or bolt.

A narrow hole drilled or punched into a surface, to facilitate the insertion of a wider screw, nail, drill bit, or other boring tool.

A circular wound or hole caused by the projectile of a firearm.

An isolated or secluded place; a hideaway or hideout.

A hole in any surface that allows air or other gases to pass, especially an opening in the surface of a frozen lake etc. / An air pocket. / The blowhole of a whale.

(physics) a vacant electron energy state near the top of the energy band of a solid; the movement of electrons between such states is the basis of electrical conduction

(golf) A pub/bar where golfers go for drinks after a game of golf, usually in the clubhouse at the course.

(Australia) A type of undersea hole or spring on the Great Barrier Reef in Australia, out of which comes fresh water that has flowed underground from the land.