an expanse of open or cleared ground, especially a piece of land suitable or used for pasture or tillage.
Sports. a piece of ground devoted to sports or contests; playing field. (in betting) all the contestants or numbers that are grouped together as one: to bet on the field in a horse race. (in football) the players on the playing ground. the area in which field events are held.
Baseball. the team in the field, as opposed to the one at bat. the outfield.
a sphere of activity, interest, etc., especially within a particular business or profession: the field of teaching; the field of Shakespearean scholarship.
the area or region drawn on or serviced by a business or profession; outlying areas where business activities or operations are carried on, as opposed to a home or branch office: our representatives in the field.