WordWeb Online

1. (military) a region in which active military operations are in progress
   "the army was in the field of operations awaiting action";
   - field, theater [US], theater of operations [US], theatre, theatre of operations

1. A particular kind of commercial enterprise
   "they are outstanding in their field of operation";
   - field, line of business

Derived forms: fields of operations

Type of: business, business enterprise, commercial enterprise, region

Part of: theater of war [US], theatre of war