abort

Short definition from Wiktionary

Noun

1. 1
   An early termination of a mission, action, or procedure in relation to missiles or spacecraft; the craft making such a mission.
2. 2
   The function used to abort a process.
3. 3
   An event in which a process is aborted.
4. 4
   The product of a miscarriage; an aborted offspring; an abortion.
5. 5
   A miscarriage; an untimely birth; an abortion.

Verb

1. 1
   To miscarry; to bring forth (non-living) offspring prematurely.
2. 2
   To cause a premature termination of (a fetus); to end a pregnancy before term.
3. 3
   To end prematurely; to stop in the preliminary stages; to turn back.
4. 4
   To stop or fail at something in the preliminary stages.
5. 5
   To become checked in normal development, so as either to remain rudimentary or shrink away wholly; to cease organic growth before maturation; to become sterile.
6. 6
   To cause an organism to develop minimally; to cause rudimentary development to happen; to prevent maturation.
7. 7
   To abandon a mission at any point after the beginning of the mission and prior to its completion.
8. 8
   To terminate a mission involving a missile or rocket; to destroy a missile or rocket prematurely.
9. 9
   To terminate a process prior to completion.