'abort' definitions:

Definition of 'abort'

From: WordNet
noun
The act of terminating a project or procedure before it is completed; "I wasted a year of my life working on an abort"; "he sent a short message requesting an abort due to extreme winds in the area"
verb
Terminate before completion; "abort the mission"; "abort the process running on my computer"
verb
Cease development, die, and be aborted; "an aborting fetus"
verb
Terminate a pregnancy by undergoing an abortion