square

(geometry) A polygon with four sides of equal length and four right angles; an equilateral rectangle; a regular quadrilateral.

A cell in a grid.

A square piece, part, or surface.

The front of a woman's dress over the bosom, usually worked or embroidered.

(Canada, US) A dessert cut into rectangular pieces, or a piece of such a dessert.

(printing) A certain number of lines, forming a portion of a column, nearly square; used chiefly in reckoning the prices of advertisements in newspapers.

An L- or T-shaped tool used to place objects or draw lines at right angles.

(figuratively, obsolete) A true measure, standard, or pattern.

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.

(often in street names or addresses) A street surrounding a public square or plaza.

(mathematics) The product of a number or quantity multiplied by itself; the second power of a number, value, term or expression.

(military formation) A body of troops drawn up in a square formation.

(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.

(Britain) The symbol # on a telephone; hash.

(cricket) The central area of a cricket field, with one or more pitches of which only one is used at a time.

(real estate) 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.

(roofing) A unit used in measuring roof area equivalent to 100 square feet (9.29 m²) of roof area. The materials for roofing jobs are often billed by the square in the United States.

(academia) A mortarboard.

(colloquial, US) Ellipsis of square meal.

(archaic) Exact proportion; justness of workmanship and conduct; regularity; rule.

The relation of harmony, or exact agreement; equality; level.

(astrology) The position of planets distant ninety degrees from each other; a quadrate.

(dated) The act of squaring, or quarrelling; a quarrel.

(slang) Cigarette.

(brewing) A vat used for fermentation.

(slang, MLE) A well-defined core of a human body, a flat section from the fundament to the thoracic diaphragm.