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.
Word Origin and History for proprietary Expand. adj. mid-15c., possessing worldly goods in excess of a cleric's needs, from Medieval Latin proprietarius owner of property, noun use of Late Latin adjective proprietarius of a property holder, from Latin proprietas owner (see property).