square - definition and synonyms

noun [countable] 

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  1. 1
    a shape with four straight sides of equal length and four corners called right angles

    The garden has flower beds that form a perfect square.

    1. a.
      a piece of something shaped like a square

      Cut the fabric into squares.

      a square of carpet/fabric/glass

    2. b.
      one of the small sections that the board is divided into in games such as chess and draughts
  2. 2
    an open area of land in the shape of a square, usually with buildings around it. ‘Square’ is often used in the names of roads and can be written Sq

    There are one or two good hotels in the main square.

    They have an office in Soho Square.

  3. 3
    maths the number that is the result of multiplying one number by itself

    The square of 3 is 9.