final-n; 3 Senses

Sense Number 1: academic test

Commentary: FINAL[+event] The last exam that is administered in an academic term.

I studied all night for my Linguistics final.
It's almost finals time.
The final begins at noon and ends at six-thirty.
John failed his final because he'd been studying the wrong subject.

WordNet 2.0 Sense Numbers: 2

Sense Number 2: last round in a tournament

Commentary: FINAL[+event] In an elimination tournament, the match between the winners of all the previous matches. The game or match that finalists play.

Our team made it to the finals!
The final is going to be played on Saturday at ten o'clock in the morning.
We lost the final and went home.

WordNet 2.0 Sense Numbers: 1

Sense Number 3: physical test

Commentary: The actual exam, as a piece of paper, that students write on at the end of an academic term. Use this sense only when it is very clear that a physical object is being referred to.

John spilled coffee all over his final.

WordNet 2.0 Sense Numbers: -