v. phr. 1. To hide and not leave anything, especially foot marks, to show where you have been, so that no one can follow you. The deer covered his tracks by running in a stream. 2. informal To hide or not say where you have been or what you have done; not tell why you do something or what you plan to do. The boys covered their tracks when they went swimming by saying that they were going for a walk.
Compare: COVER UP 1 .