shift

A modifier key whose main function is shifting between two or more functions of any of certain other keys (usually by pressing Shift and the other button simultaneously).

A type of women's undergarment, a slip.

"Just last week she bought a new shift at the market."

A change of workers, now specifically a set group of workers or period of working time.

"We'll work three shifts a day till the job's done."

An act of shifting; a slight movement or change.

"There was a shift in the political atmosphere."

(sometimes figurative) To move from one place to another; to redistribute.

"We'll have to shift these boxes to the downtown office."

To change in form or character; swap.

To change position.

"His political stance shifted daily."