|Origin:||esquarre, from Vulgar Latin exquadra, from exquadrare 'to make square', from Latin quadrare 'to make square, fit'|
a shape with four straight equal sides with 90º angles at the corners [↪ rectangle]:
First of all, draw a square.
a small square of cloth
a large open area in the centre of a town or city, usually in the shape of a square, or the buildings surrounding it
in a townAATB
The hotel is just off the main square of Sorrento.
She lives in Hanover Square.
the situation from which you started to do something
be back to/at square one
The police are now back at square one in their investigation.
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.
from square one
I've had to relearn the game from square one.
the result of multiplying a number by itself [↪ square root]
The square of 4 is 16.
a space on a board used for playing a game such as chess
in a gameDGB
someone who is considered boring and unfashionable [= nerd]
a flat object with a straight edge, often shaped like an L, used for drawing or measuring 90° angles