<p><strong>Noun</strong></p><ul><li>an expanse of open or cleared ground, especially a piece of land suitable or used for pasture or tillage.</li><li>Sports. a piece of ground devoted to sports or contests; playing field.</li><li>(in betting) all the contestants or numbers that are grouped together as one: to bet on the field in a horse race.</li><li>(in football) the players on the playing ground.</li><li>the area in which field events are held.</li><li>Baseball. the team in the field, as opposed to the one at bat.</li><li>the outfield.</li><li>a sphere of activity, interest, etc., especially within a particular business or profession: the field of teaching; the field of Shakespearean scholarship.</li><li>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.</li><li>a job location remote from regular workshop facilities, offices, or the like.</li><li>Military. the scene or area of active military operations.</li><li>a battleground.</li><li>a battle.</li><li>Informal. an area located away from the headquarters of a commander.</li><li>an expanse of anything: a field of ice.</li><li>any region characterized by a particular feature, resource, activity, etc.: a gold field.</li><li>the surface of a canvas, shield, etc., on which something is portrayed: a gold star on a field of blue.</li><li>(in a flag) the ground of each division.</li><li>Physics. the influence of some agent, as electricity or gravitation, considered as existing at all points in space and defined by the force it would exert on an object placed at any point in space.</li><li>Compare electric field, gravitational field, magnetic field.</li><li>Also called field of view.</li><li>Optics. the entire angular expanse visible through an optical instrument, such as the lens of a camera, microscope, or telescope, at a given time.</li><li>Photography. the area of a subject that is taken in by a lens at a particular diaphragm opening.</li><li>Electricity. the structure in a generator or motor that produces a magnetic field around a rotating armature.</li><li>Mathematics. a number system that has the same properties relative to the operations of addition, subtraction, multiplication, and division as the number system of all real numbers; a commutative division ring.</li><li>Psychology. the total complex of interdependent factors within which a psychological event occurs and is perceived as occurring.</li><li>Computers. one or more related characters treated as a unit and constituting part of a record, for purposes of input, processing, output, or storage by a computer: If the hours-worked field is blank or zero, the program does not write a check for that employee.</li><li>(in a punch card) any number of columns regularly used for recording the same information.</li><li>Television. one half of the scanning lines required to form a complete television frame.</li><li>In the United States, two fields are displayed in 1/30 second: all the odd-numbered lines in one field and all the even lines in the next field.</li><li>Compare frame (def 8).</li><li>Numismatics. the blank area of a coin, other than that of the exergue.</li><li>Fox Hunting. the group of participants in a hunt, exclusive of the master of foxhounds and his staff.</li><li>Heraldry. the whole area or background of an escutcheon.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>Baseball, Cricket. to catch or pick up (the ball) in play: The shortstop fielded the grounder and threw to first for the out.</li><li>to place (a player, group of players, or a team) in the field to play.</li><li>to place in competition: to field a candidate for governor.</li><li>to answer or reply skillfully: to field a difficult question.</li><li>to put into action or on duty: to field police cars to patrol an area.</li><li>Informal. field-test.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>Baseball, Cricket. to act as a fielder; field the ball.</li><li>to take to the field.</li></ul><p><strong>Adjective</strong></p><ul><li>Sports. of, taking place, or competed for on the field and not on the track, as the discus throw or shot put.</li><li>of or relating to field events.</li><li>Military. of or relating to campaign and active combat service as distinguished from service in rear areas or at headquarters: a field soldier.</li><li>of or relating to a field.</li><li>grown or cultivated in a field.</li><li>working in the fields of a farm: field laborers.</li><li>working as a salesperson, engineer, representative, etc., in the field: an insurance company's field agents.</li></ul>