the action or process of a pregnancy being ended, either spontaneously or by medical procedure;
e.g. She decided to get an abortion because she was too weak to safely carry a child to term.
(noun)
in informal usage, a person or thing that is perceived as misshapen or badly made, or an action such as a halt in the development of something that is viewed to be unpleasant or badly carried out;
e.g. This process is an abortion that has yielded horrible results.