3. An area of four sides, generally with houses on each side; sometimes, a solid block of houses; also, an open place or area for public use, as at the meeting or intersection of two or more streets. The statue of Alexander VII. Stands in the large square of the town. (Addison)
4. (Science: mechanics) An instrument having at least one right angle and two or more straight edges, used to lay out or test square work. It is of several forms, as the T square, the carpenter's square, the try-square, etc.
11. The act of squaring, or quarreling; a quarrel.
12. The front of a woman's dress over the bosom, usually worked or embroidered. Geometrical square. See quadrat. Hollow square, a formation of troops in the shape of a square, each side consisting of four or five ranks, and the colours, officers, horses, etc, occupying the middle. Least square, magic square, etc. See Least, Magic, etc. On the square, or Upon the square, in an open, fair manner; honestly, or upon honor. On, or Upon, the square with, upon equality with; even with. To be all squares, to be all settled. To be at square, to be in a state of quarreling. To break no square, to give no offense; to make no difference. To break squares, to depart from an accustomed order. To see how the squares go, to see how the game proceeds; a phrase taken from the game of chess, the chessboard being formed with squares.
Origin: OF. Esquarre, esquierre, F. Equerre a carpenter's square (cf. It. Squadra), fr. (assumed) LL. Exquadrare to make square; L. Ex _ quadrus a square, fr. Quattuor four. See Four, and cf. Quadrant, Squad, Squer a square.
Square is often used in self-explaining compounds or combination, as in square-built, square-cornered, square-cut, square-nosed, etc. Square foot, an area equal to that of a square the sides of which are twelwe inches; 144 square inches. Square knot, a knot in which the terminal and standing parts are parallel to each other; a reef knot. Square measure, the measure of a superficies or surface which depends on the length and breadth taken conjointly. The units of square measure are squares whose sides are the linear measures; as, square inches, square feet, square meters, etc. Square number. See square.
(Science: mathematics) Square root of a number or quantity, a stern having a transom and joining the counter timbers at an angle, as distinguished from a round stern, which has no transom. Three-square, Five-square, etc, having three, five, etc, equal sides; as, a three-square file. To get square with, to get even with; to pay off.
8. To place at right angles with the keel; as, to square the yards. To square one's shoulders, to raise the shoulders so as to give them a square appearance, a movement expressing contempt or dislike.
Origin: Cf. OF. Escarrer, esquarrer. See Square.