A2having the shape of a square: The recipe recommends that you use a square cake tin.He's got that square-jawed masculinity that a lot of women seem to find attractive.Geometrical shapesSpherical, circular and annular objects›(written abbreviationsq., specialized2)used with units of measurement of length to express the total size of an area: The floor is 3 m wide by 5 m long, so its total area is 15 sq m.The city itself covers 13 square miles.specializedEnsure that the exposed area is less than 2 cm2.Measurements of length and distanceArea, mass, weight and volume in general›Square is used immediately after measurements of length when expressing the length of the four sides of a square-shaped area: So you want carpet for a room that's eight metres square (= eight metres long and eight metres wide).Measurements of length and distanceArea, mass, weight and volume in general