n.
1.a piece of land cleared of trees and usually enclosed
2.a region where a battle is being (or has been) fought
3.somewhere (away from a studio or office or library or laboratory) where practical work is done or data is collected
4.a branch of knowledge
5.the space around a radiating body within which its electromagnetic oscillations can exert force on another similar body not in contact with it
6.a particular kind of commercial enterprise
7.a particular environment or walk of life
8.a piece of land prepared for playing a game
9.extensive tract of level open land 10.(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 11.a region in which active military operations are in progress 12.all of the horses in a particular horse race 13.all the competitors in a particular contest or sporting event 14.a geographic region (land or sea) under which something valuable is found 15.(computer science) a set of one or more adjacent characters comprising a unit of information 16.the area that is visible (as through an optical instrument) 17.a place where planes take off and land field v.
1.catch or pick up (balls) in baseball or cricket
2.play as a fielder
3.answer adequately or successfully
4.select (a team or individual player) for a game