hacking

from The Century Dictionary.

• Short and interrupted: as, a hacking cough. Also hacky.
• noun In brick-making, piling bricks for drying.
• noun In pathology, the emission of a succession of short coughs.
• noun In massage, the act of striking the muscles with the side of the hand.
• noun The operation of working over the faces of rough or worn grindstones with a hack-hammer; also, a similar treatment of the faces of polishing-wheels with a sharp tool of a like kind.
• noun In masonry, the separation of a course of stones into two smaller courses, when there are not enough large stones to form a single course.
• noun In gem-cutting, the cuts and grooves made in the metal laps by holding the cutting edge of a steel blade against them while in motion, for the purpose of providing receptacles or pockets for the powders used in cutting and polishing gems.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Short and interrupted, broken, jerky; hacky.
• noun computing Playful solving of technical work that requires deep understanding, especially of a computer system.
• noun computing Unauthorized attempts to bypass the security mechanisms of an information system or network. See also cracker.
• noun pathology A dry coughing; the emission of a succession of short coughs.
• noun sports, soccer, rugby A kick in the shins.
• noun massage The act of striking the muscles with the side of the hand.
• noun UK, countable A riding or journey on horseback. (Plural hackings.)
• noun obsolete The operation of working over the faces of rough or worn grindstones with a hack-hammer.
• noun obsolete, masonry The separation of a course of stones into two smaller courses, when there are not enough large stones to form a single course.
• noun obsolete The cuts and grooves made in the metal laps by holding the cutting edge of a steel blade against them while in motion, for the purpose of providing receptacles or pockets for the powders using in cutting and polishing gems.
• noun obsolete The piling of bricks for drying.
• verb Present participle of hack.