Mechanical Components

noun a slang term used to refer to an object whose name is unknown or forgotten

• The technician used a specialized dojigger to calibrate the equipment.
• I have no idea what this dojigger is supposed to do.
• Hey, pass me that dojigger over there.
• She always knows how to use the right emotional dojigger to get what she wants.

noun A device that is used to change the direction of current in an electric motor.

• The commutator in the electric motor helps to reverse the direction of current flow.
• Make sure to check the commutator in the motor for any signs of wear and tear.
• I heard that the commutator in that old car is shot, causing it to have trouble starting.
• In life, the commutator represents the ability to change course and reverse decisions when necessary.