An open space or park, often in the center of a town, not necessarily square in shape, often containing trees, seating and other features pleasing to the eye.
(1950s slang) A socially conventional or conservative person; a person who has little or no interest in the latest fads or trends: still sometimes used in modern terminology.
A unit of measurement of area, equal to a 10 foot by 10 foot square, i.e. 100 square feet or roughly 9.3 square metres. Used in real estate for the size of a house or its rooms, though progressively being replaced by square metres in metric countries such as Australia.
Forming a right angle, especially at right angles with the mast or the keel, and parallel to the horizon; said of the yards of a square-rigged vessel when they are so braced.