noun
(1) A piece of land cleared of trees and usually enclosed.
(2) A region where a battle is being (or has been.
(3) Somewhere (away from a studio or office or library or laboratory.
(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.
(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.
(16) The area that is visible (as through an optical instrument.
(17) A place where planes take off and land.
(18) A region where a battle is being (or has been) fought.
(19) Somewhere (away from a studio or office or library or laboratory) where practical work is done or data is collected.
(20) (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.
(21) All of the horses in a particular horse race 1.
(22) All the competitors in a particular contest or sporting event 1.
(23) A geographic region (land or sea) under which something valuable is found.
(24) (computer science) a set of one or more adjacent characters comprising a unit of information 1.
(25) The area that is visible (as through an optical instrument) 1.
(26) Open land that can be cultivated.
(27) Persons taking part in competition.
(28) Sphere of influence.
(32) Arena with special use.
verb
(1) Catch or pick up (balls.
(3) Answer adequately or successfully.
(4) Select (a team or individual player.
(5) Catch or pick up (balls) in baseball or cricket.
(6) Select (a team or individual player) for a game.
(7) Catch a hit or thrown object.