"shift" as noun
1 - 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).
"shift" as noun
1 - A type of women's undergarment, a slip.
2 - A change of workers, now specifically a set group of workers or period of working time.
3 - An act of shifting; a slight movement or change.
"shift" as verb
1 - (sometimes figurative) To move from one place to another; to redistribute.
2 - To change in form or character; swap.
3 - To change position.
