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

An area under which are reserves of petroleum, especially one with productive oil wells.

singular of Elysian Fields

A field on which a game, especially a ball game, is played. / (figuratively) Any place or context within which competitive activity takes place, such as market competition between companies.

(modern) B-field. / (dated) H-field.

Synonym of virgin territory. / An oilfield that has not yet been exploited.

A temporary fortification in the field / (in scientific research) The collection of raw data, in the field

(military) A day for manoeuvres and tactical exercises in "the field". / A school day for athletic events; a sports day. / A day of class taken away from school for a field trip.

(cricket) A field set with fielders in positions designed to prevent runs rather than take wickets.

(chiefly US) A group of athletic sports, consisting mainly of various kinds of running, jumping and throwing, that take place on a track and the enclosed field.