(sports) An act of catching or obtaining possession of the ball in a skillful manner; the action of a ball hawk.

(physics) The black hole information paradox.

(physics) A measure of the bending of ingoing and outgoing rays of light that are orthogonal to a 2-sphere surrounding a region of space whose mass is to be defined.

(physics) A hypothetical state of the universe prior to the Planck epoch, in which time did not exist, only space.

plural of Hartle-Hawking state

Having very good eyesight

(cricket, tennis) A system, using six static television cameras and sophisticated computing, to track the path of the ball in flight.

(military) Acronym of Improved homing-all-the-way killer, a type of missile.

the laughing falcon

Alternative form of chickenhawk