1. people whose job is to install, repair, or adjust machinery, equipment, or parts
2. people who adjust or alter clothing to fit properly

Examples

• The pipe fitters worked all day to install the new plumbing system.
• Several fitters were called in to repair the factory equipment.
• The clothing store employs experienced fitters to alter garments.
• Gas fitters must be licensed to work on heating systems.
• The fitters measured her dress to ensure a perfect fit.
• Industrial fitters assembled the machinery in the new plant.
• Professional fitters can adjust wedding dresses quickly.