Topic: TOOLS
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| Date: | 1200-1300 |
| Language: | Old French |
| Origin: | esquarre, from Vulgar Latin exquadra, from exquadrare 'to make square', from Latin quadrare 'to make square, fit' |
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square2 S2 [countable]
1 a shape with four straight equal sides with 90º angles at the corners [↪ rectangle]: 
First of all, draw a square.
shape
HM
First of all, draw a square.2 a large open area in the centre of a town or city, usually in the shape of a square, or the buildings surrounding it She lives in Hanover Square.
in a town
AATBShe lives in Hanover Square.3 the situation from which you started to do something
square one
go back to square one (=used when you start something again because you were not successful the first time) Okay, let's go back to square one and try again.
Okay, let's go back to square one and try again.4 the result of multiplying a number by itself [↪ square root]
number
HMN square of The square of 4 is 16.
The square of 4 is 16.5 a space on a board used for playing a game such as chess
in a game
DGB6 someone who is considered boring and unfashionable [= nerd]
person
informal7 a flat object with a straight edge, often shaped like an L, used for drawing or measuring 90° angles
