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