1. to seat (someone) in the wrong place or incorrectly
Usage: transitive verb; formal or technical usage
2. to fit or install (a part, such as a valve or seal) improperly or in the wrong position
Usage: transitive verb; technical usage

Examples

• The usher accidentally misseated the guest at the wrong table.
• If you misseat the valve, the engine will leak oil.
• The mechanic warned that misseating the gasket could cause problems.
• The seating chart was wrong, and several people were misseated.
• Make sure not to misseat the bearing when reassembling the motor.