noun

• (military, aeronautics) An early termination of a mission, action, or procedure in relation to missiles or spacecraft; the craft making such a mission.
  "We've had aborts on three of our last seven launches."
• (computing) The function used to abort a process.
• (computing) An event in which a process is aborted.
  "We've had three aborts over the last two days."
• (now rare) The product of a miscarriage; an aborted offspring; an abortion.

verb

• (intransitive, now rare outside medicine) To miscarry; to bring forth (non-living) offspring prematurely.
  "Women have aborted, men have committed suicide, and both men and women have been thrown into convulsions during the fearful agony of renal colic."
• (transitive, intransitive) To cause a premature termination of (a fetus); to end a pregnancy before term.
  ""Of course, you can't abort yourself...I mean you positively can't be allowed to. To begin with it's a crime.""
• (transitive) To end prematurely; to stop in the preliminary stages; to turn back.
• (intransitive) To stop or fail at something in the preliminary stages.