Definitions from Wiktionary ( )

▸ noun:  (geometry) A polygon with four sides of equal length and four right angles; an equilateral rectangle; a regular quadrilateral.
▸ noun:  Something characterized by a square, or nearly square, form.
▸ noun:  A cell in a grid.
▸ noun:  A square piece, part, or surface.
▸ noun:  The front of a woman's dress over the bosom, usually worked or embroidered.
▸ noun:  (Canada, US) A dessert cut into rectangular pieces, or a piece of such a dessert.
▸ noun:  (printing) A certain number of lines, forming a portion of a column, nearly square; used chiefly in reckoning the prices of advertisements in newspapers.
▸ noun:  An L- or T-shaped tool used to place objects or draw lines at right angles.
▸ noun:  (figuratively, obsolete) A true measure, standard, or pattern.
▸ noun:  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.
▸ noun:  (often in street names or addresses) A street surrounding a public square or plaza.
▸ noun:  (mathematics) The product of a number or quantity multiplied by itself; the second power of a number, value, term or expression.
▸ noun:  (military formation) A body of troops drawn up in a square formation.
▸ noun:  (1950s slang) A socially conventional or conservative person; a person who has little or no interest in the latest fads or trends.
▸ noun:  (British) The symbol # on a telephone; hash.
▸ noun:  (cricket) The central area of a cricket field, with one or more pitches of which only one is used at a time.
▸ noun:  (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.
▸ noun:  (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.
▸ noun:  (academia) A mortarboard.
▸ noun:  (archaic) Exact proportion; justness of workmanship and conduct; regularity; rule.
▸ noun:  The relation of harmony, or exact agreement; equality; level.
▸ noun:  (astrology) The position of planets distant ninety degrees from each other; a quadrate.
▸ noun:  (dated) The act of squaring, or quarrelling; a quarrel.
▸ noun:  (slang) Cigarette.
▸ noun:  (brewing) A vat used for fermentation.
▸ noun:  (slang, MLE) A well-defined torso.
▸ adjective:  Shaped like a square (the polygon).
▸ adjective:  Forming a right angle (90°).
▸ adjective:  (of box-shaped objects such as buildings or metal frames) Forming right angles in all planes as intended; not racked or leaning.
▸ adjective:  (nautical) Forming 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.
▸ adjective:  Used in the names of units of area formed by multiplying a unit of length by itself.
▸ adjective:  Honest; straightforward; fair.
▸ adjective:  Satisfied; comfortable with; not experiencing any conflict.
▸ adjective:  Even; tied
▸ adjective:  (slang, derogatory) Socially conventional; boring.
▸ adjective:  (cricket) In line with the batsman's popping crease.
▸ adjective:  Solid, decent, substantial.
▸ adjective:  Having a shape broad for the height, with angular rather than curving outlines.
▸ adjective:  (automotive) Of an internal combustion engine design, in which the diameter of the piston is similar, roughly, approximately, equal to its stroke distance.
▸ adverb:  Directly.
▸ verb:  (transitive) To adjust so as to align with or place at a right angle to something else; in particular:
▸ verb:  (nautical) To place at a right angle to the mast or keel.
▸ verb:  (rowing) To rotate the oars so that they are perpendicular to the water.
▸ verb:  (transitive, intransitive) To resolve or reconcile; to suit or fit.
▸ verb:  (transitive) To adjust or adapt so as to bring into harmony with something.
▸ verb:  (transitive, mathematics) Of a value, term, or expression, to multiply by itself; to raise to the second power.
▸ verb:  (transitive, geometry) To draw, with a pair of compasses and a straightedge only, a square with the same area as.
▸ verb:  (transitive, geometry) To tile (completely fill) with squares.
▸ verb:  (soccer) To make a short low pass sideways across the pitch
▸ verb:  (archaic) To take opposing sides; to quarrel.
▸ verb:  To accord or agree exactly; to be consistent with; to suit; to fit.
▸ verb:  (obsolete) To go to opposite sides; to take an attitude of offense or defense, or of defiance; to quarrel.
▸ verb:  To take a boxing attitude; often with up or off.
▸ verb:  To form with four sides and four right angles.
▸ verb:  To form with right angles and straight lines, or flat surfaces.
▸ verb:  To compare with, or reduce to, any given measure or standard.
▸ verb:  (astrology) To hold a quartile position respecting.
▸ noun:  A surname.
▸ noun:  (colloquial, US) Ellipsis of square meal. [(idiomatic) A (nutritionally) complete and satisfying meal, especially one suitable for a person performing physical labour.]

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