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[as-truh-guh l] /ˈæs trə gəl/
noun, Architecture, Furniture.
a small convex molding cut into the form of a string of beads.
Compare bead and reel.
a plain convex molding; bead.
a molding attached to one or both meeting stiles of a pair of double doors in order to prevent drafts.
Origin of astragal
1555-65; < Latin astragalus < Greek astrágalos a vertebra, the huckle-bone, a molding, a kind of vetch; in plural, dice (i.e., huckle-bones) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for astragal
Historical Examples
  • The style of carving of the cymatium with its astragal should be the Lesbian.

  • It is distinguished from the astragal because it casts less of a shadow above and below.

    Carpentry for Boys J. S. Zerbe
  • At the bottom the capital should be of the thickness of the top of the column omitting the congé and astragal.

  • An enlarged section of the astragal mould which is grooved to fit on the bar which forms the rebate is also shown.

    Woodwork Joints William Fairham
  • Fig. 257 is similar to the above, with the exception that the rail of the door is rebated (G) to receive the astragal moulding.

    Woodwork Joints William Fairham
  • Fig. 265 is a rebated joint with loose tongue-slip and astragal mould, suitable for frames over 11⁄4 in.

    Woodwork Joints William Fairham
  • The astragal of the muzzle or neck of a gun; it is the next ring from the mouth backwards.

    The Sailor's Word-Book William Henry Smyth
British Dictionary definitions for astragal


  1. Also called bead. a small convex moulding, usually with a semicircular cross section
  2. a moulding having the form of a string of beads
(carpentry) a glazing bar, esp in a bookcase
(anatomy) the ankle or anklebone
Word Origin
C17: from Latin astragalus, from Greek astragalos anklebone, hence, small round moulding
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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