Definitions

from The Century Dictionary.

  • noun In drafting or plotting, a form of T-square in which the blade can be rotated with respect to the head and can be set at any desired angle by means of a graduated arc: used for laying off parallel lines at any given angle of obliquity with the edge of the drawing-board.
  • noun A square or right-angled triangle with acute angles of 45° or of 30° and 60°, used where the try-square (in which the stock is thicker than the blade) is not convenient.

Etymologies

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Examples

  • As the book develops, we see all these children linking together, exchanging brushes, palette, pencil, baseball bat, book and set-square as they congregate in one enormous family, which now includes children not featured before: "Have I told you that America is made up of people of every kind?"

    Of Thee I Sing: A Letter to My Daughters by Barack Obama – review Anthony Browne 2010

  • Measurements should be taken using a ruler and a mason's set-square (see below).

    Chapter 11 1995

  • I borrowed a wooden set-square from their foreman, and with it marked out an oblong shape on the clay-plastered wall.

    River God Smith, Wilbur, 1933- 1993

  • If she had been surprised at the car and the chauffeur, she was even more surprised at the sight of Rimada's home; a large villa, embellished with balconies, turrets and fancy brickwork, set in the midst of a garden so precise that it might have been ruled out with a set-square, and so perfectly kept that it appeared to have been embroidered upon the ground rather than growing in the earth.

    Cruise To A Wedding Neels, Betty 1974

  • Among all these lines there were stiff, crabbed, and cramped designs, as though they were drawn with a set-square -- patterns with sharp corners, like the elbow of a skinny woman.

    Jean Christophe: in Paris The Market-Place, Antoinette, the House Romain Rolland 1905

  • Super Rugby game, it's just as well for Baxter he's as good in a scrum as he is on the set-square.

    NEWS.com.au | Top Stories 2011

  • "Articulated" leather body-con dresses, engineered in remarkable set-square patterns, defined the silhouette.

    Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph 2011

  • - watch or stop-watch graduated container (bucket, test-tube etc.) - scales (approx. 10 kg capacity and accurate to + 10 to 100g) - mason's set-square

    Chapter 13 1995

  • ; protractor and set-square, 0.5 oz.; prismatic compass and clinometer,

    The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 Douglas Mawson 1920

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