a work shift that covers late evening and early morning hours.

A type of work cycle, most commonly at a manufacturing plant or institution, with shifts worked four days in a row, followed by four days off in a row. It can also commonly be implemented as working four days in a row with three days off, then working three days in a row with four days off; switching every week.

The Doppler effect.

To change the gear by which motion is transmitted from a powered shaft to another shaft, especially in a motor vehicle. / (idiomatic) To change pace or mode of operation.

(computing) A bitwise operation in which the bits in a value are shifted left or right.

A night shift, especially one from midnight to 8 AM on a three-shift schedule.

A regularly scheduled period of work, during evening or night hours. / A group of workers who work during the night.

plural of shift key

plural of graveyard shift

(US) gear lever