Carried out or working in the natural environment, rather than in a laboratory or office. An area of open land, especially one planted with crops or pasture, typically bounded by hedges or fences. A particular branch of study or sphere of activity or interest. All the participants in a contest or sport. The region in which a particular condition prevails, especially one in which a force or influence is effective regardless of the presence or absence of a material medium. Play as a fielder. Send out (a team or individual) to play in a game. Deal with (a difficult question, telephone call, etc.).