A mistress.
The mistress of a Mafioso.
Woman.
An indentation.
A mountain pass; a defile.
A discontinuous change in a taxation schedule.
Such a cut, used for keeping a record.
A level or degree.
A portion of a mobile phone that overlaps the edge of the screen, used to house camera, sensors etc. while maximizing screen space.
To cut a notch in (something).
To achieve (something); to add to one's score or record of successes.
To join by means of notches.
To record (a score or similar) by making notches on something.
To fit (an arrow) to a bow by means of the notch cut at the end of the arrow; to nock.