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.
PROPRIETARY COLONIES differed from chartered colonies in that the public revenue of the colony belonged to the private proprietor rather than to the common shareholders of the chartered corporation and the freemen who subsequently became residents.