mightypart

noun
UK /ˈmaɪtiˌpɑːt/
US /ˈmaɪtiˌpɑːrt/

A mightypart is a very big and important piece of something.

The engine is the mightypart of the whole machine.


OTHER MEANINGS

2. The strongest or most powerful member of a group.

She was the mightypart of the team during the game.

3. A large share or majority of something.

The mightypart of the money went to the school.

4. The most exciting or important moment of a story or event.

The mightypart of the movie was the big race at the end.