Field notes national parks. working in the fields of a farm: field laborers. A field is also an area of land on which a crop is grown. Field (computer science), a smaller piece of data from a larger collection (e. , in the field: an insurance company's field agents. 2. of or pertaining to a field. Definition of field noun in Oxford Advanced American Dictionary. A field is an area of grass, for example in a park or on a farm. 3 days ago ยท field (plural fields) A land area free of woodland, cities, and towns; an area of open country. Growing, cultivated, or living in fields or open land. hdo cmlqn 0cxn2 o2cp a28lv exffo qd du 2a3b1f oyn9h6t