Legs, abs, and back muscles, as well as the obvious shoulder and arm muscles, all work together in a correctly performed press. Sixty years ago, the press was the primary weight room exercise for the upper body.
â¢ PROPRIETARY COLONY (noun) The noun PROPRIETARY COLONY has 1 sense: 1. a colony given to a proprietor to govern (in 17th century) Familiarity information: PROPRIETARY COLONY used as a noun is very rare. Dictionary entry details.
Of or relating to a proprietor or to ownership: had proprietary rights. 2. Privately owned, as a business: a proprietary hospital. 3. Owned by a private individual or corporation under a trademark or patent: a proprietary drug.