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.
Quick Answer. The Delaware Colony, under England, was first governed by the Duke of York and then considered a Proprietary Colony, which entails a certain governmental structure. The Duke of York era was from 1664 to 1682, and the Proprietary era was from 1681 to 1776. Keep Learning.