The Collaborative International Dictionary of English v.0.48:
Square \Square\ (skw[^a]r), n. [OF. esquarre, esquierre, F.
['e]querre 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, Squire a square.]
(a) The corner, or angle, of a figure. [Obs.]
(b) A parallelogram having four equal sides and four right
2. Hence, anything which is square, or nearly so; as:
(a) A square piece or fragment.
He bolted his food down his capacious throat in
squares of three inches. --Sir W.
(b) A pane of glass.
(c) (Print.) A certain number of lines, forming a portion
of a column, nearly square; -- used chiefly in
reckoning the prices of advertisements in newspapers.
(d) (Carp.) One hundred superficial feet.
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. (Mech. & Joinery) 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.
5. Hence, a pattern or rule. [Obs.]
6. (Arith. & Alg.) The product of a number or quantity
multiplied by itself; thus, 64 is the square of 8, for 8
[times] 8 = 64; the square of a + b is a^2 + 2ab +
7. Exact proportion; justness of workmanship and conduct;
regularity; rule. [Obs.]
They of Galatia [were] much more out of square.
I have not kept my square. --Shak.
8. (Mil.) A body of troops formed in a square, esp. one
formed to resist a charge of cavalry; a squadron. "The
brave squares of war." --Shak.
9. Fig.: The relation of harmony, or exact agreement;
We live not on the square with such as these.
10. (Astrol.) The position of planets distant ninety degrees
from each other; a quadrate. [Obs.]
11. The act of squaring, or quarreling; a quarrel. [R.]
12. The front of a woman's dress over the bosom, usually
worked or embroidered. [Obs.] --Shak.
fair and square in a fair, straightforward, and honest
manner; justly; as, he beat me fair and square.
Geometrical square. See Quadrat, n., 2.
Hollow square (Mil.), a formation of troops in the shape of
a square, each side consisting of four or five ranks, and
the colors, officers, horses, etc., occupying the middle.
Least square, Magic square, etc. See under Least,
On the square, or Upon the square,
(a) in an open, fair manner; honestly, or upon honor;
justly. [Obs or Colloq.]
(b) at right angles.
On the square with, or Upon the square with, upon
equality with; even with. --Nares.
To be all squares, to be all settled. [Colloq.] --Dickens.
To be at square, to be in a state of quarreling. [Obs.]
To break no squares, to give no offense; to make no
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. [Obs.] --L'Estrange.