[noun] a piece of land cleared of trees and usually enclosed; "he planted a field of wheat"
[noun] a region where a battle is being (or has been) fought; "they made a tour of Civil War battlefields" Synonyms:battlebattleground, of battle, of honor
[noun] somewhere (away from a studio or office or library or laboratory) where practical work is done or data is collected; "anthropologists do much of their work in the field"
[noun] the space around a radiating body within which its electromagnetic oscillations can exert force on another similar body not in contact with it Synonyms:of force, force
[noun] a particular kind of commercial enterprise; "they are outstanding in their field" Synonyms:of operation, line of business
[noun] a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit" Synonyms:sphere, domain, area, orbit, arena
[noun] a piece of land prepared for playing a game; "the home crowd cheered when Princeton took the field" Synonyms:playing athletic playing area
[noun] extensive tract of level open land; "they emerged from the woods onto a vast open plain"; "he longed for the fields of his youth" Synonyms:plain, champaign
[noun] (mathematics) a set of elements such that addition and multiplication are commutative and associative and multiplication is distributive over addition and there are two elements 0 and 1; "the set of all rational numbers is a field"