a hostile meeting of opposing military forces in the course of a war
a piece of land cleared of trees and usually enclosed
somewhere (away from a studio or office or library or laboratory) where practical work is done or data is collected
a region where a battle is being (or has been) fought
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
extensive tract of level open land
a particular kind of commercial enterprise
