noun

1. A V-shaped cut.

2. An indentation.

3. A mountain pass; a defile.

verb

1. To cut a notch in (something).

2. To record (a score or similar) by making notches on something.

   “The tribe's hunters notch their kills by notches on each's axe's handle.”

3. To join by means of notches.

Synonyms: notch up