a plane figure with all four sides equal and four right angles
an open space in a town or city, usu four-sided and surrounded by buildings
NAmer a block of buildings surrounded by four streets
an area at a military barracks used for drill
formerly, a body of foot soldiers drawn up in a rectangle
a closely trimmed area at the centre of a cricket ground, any oblong strip of which may be selected as the wicket
a woman's headscarf
an arrangement of letters, numbers, etc in a square; compare magic square
any of the quadrilateral spaces marked out on a board, used for playing games
a T-shaped or L-shaped instrument used to draw, measure, or test right angles
in astrology, a 90° aspect (quarter) of a circle
the product of a number multiplied by itself
a unit of 100 square feet used to measure flooring, roofing, etc
informal, dated a person who is excessively conventional or conservative in tastes or outlook
back where one started without any progress achieved
[probably connected with the squares on a game board such as snakes and ladders, in which landing on a penalty square could send the player back to the start, or ‘square one’. The phrase is sometimes attributed to the practice in early radio commentaries of notionally dividing a football pitch into eight squares as an aid to listeners’ mental reference. But ‘square one’ did not correspond in any consistent way to the beginning of the game or to any notion of failure or lack of progress in it.]at right angles
informal fair and open; honest
not at an exact right angle