An area of academic concentration; a discipline.

plural of field of study

plural of field marshal

(optics) The angular extent of what can be seen, either with the eye or with an optical instrument or camera.

To test something using the conditions that it was designed to operate under, especially out in the real world instead of in a laboratory or workshop.

(idiomatic) A public place where strangers, paupers, and criminals are buried.

plural of potter's field

The area of grass (within the boundary) on which a cricket match is played. / A cricket ground.

(American football) A playing field on which the game of American football is played. / (Association football) A playing field on which the game of Association football is played.

(alternative medicine) The spiritual or etheric energy produced by an individual living being.