FIELD-DAY. A day of exercise and evolutions.
FIELD-FORTIFICATION. Is the constructing of works intended to strengthen the position of forces operating in the field; works of that temporary and limited quality which may be easily formed with the means at hand.
FIELD-GLASS. A telescope, frequently so termed. Also, the binocular or opera-glass, used for field-work, night-work, and at races.
FIELD-GUN. See [Field-artillery].
FIELD-ICE. A sheet of smooth frozen water of a general thickness, and of an extent too large for its boundaries to be seen over from a ship's mast-head. Field-ice may be all adrift, but yet pressed together, and when any masses detach, as they suddenly do, they are termed floes. They as suddenly become pressed home again and cause nips. (See [Nip].)
FIELD-MARSHAL. The highest rank in the British army.
FIELD-OFFICERS. The colonel, lieutenant-colonels, and majors of a regiment; so called because, not having the common duties in quarters, they are mostly seen when the troops are in the field.
FIELD OF VIEW. That space which is visible in a telescope at one view, and which diminishes under augmenting eye-pieces.
FIELD-PIECES. Light guns proper to be taken into field operations; one or more of them is now carried by all ships of war for land service.
FIELD-WORKS. The constructions of [field-fortification] (which see).