n. 1 the expulsion of a foetus (naturally or esp. by medical induction) from the womb before it is able to survive independently, esp. in the first 28 weeks of a human pregnancy. 2 a stunted or deformed creature or thing. 3 the failure of a project or an action. 4 Biol. the arrest of the development of an organ.
[ L abortio (as ABORT) ]