Definitions

1. noun

A person whose occupation is to fit or assemble parts of machines or other objects.

“The factory worker was a skilled fitter who could assemble a complex machine in no time.”

2. verb

To make something fit or match something else.

“Can you fitter the new part to the old machine?”

3. adjective

Better suited or more suitable for something.

“This new model is a fitter choice for our needs.”