to cause to do through pressure or necessity, by physical, moral or intellectual means :"She forced him to take a job in the city"
(physics) the influence that produces a change in a physical quantity
a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)
a part of an animal that has a special function or is supplied by a given artery or nerve
any division of quantity accepted as a standard of measurement or exchange