Definition of astragal in English:

astragal

Syllabification: as·tra·gal
Pronunciation: /ˈastrəgəl
 
/

noun

  • 1A convex molding or wooden strip across a surface or separating panels, typically semicircular in cross-section.
    More example sentences
    • Of the 286 planes, the majority, were simple moldings like common ogees, astragals, beads, hollows and rounds.
    • Each panel has attached astragal beading with curved comers topped by a beaded and fluted moulded cornice.
  • 1.1 Architecture A small semicircular molding around the top or bottom of a column.
    More example sentences
    • A plain astragal ringed the column beneath its plain cap.
    • There is a thick overlapping astragal running round the columns carrying the vaults and arches.
  • 1.2A wooden molding that covers the gap between a pair of doors or casement windows.
    More example sentences
    • Double doors usually meet with an astragal on the normally stationary leaf.
    • Astragals have long been used to seal the separation between the double doors and at the same time increase the rigidity of the doors by providing a vertical member that is attached to one of the doors, normally the least active door.
    • A single astragal running vertically in the centre of the window is a common feature on sash windows and may be faithfully replicated.
  • 1.3A glazing bar, typically one used in cabinetmaking.

Origin

mid 17th century: from astragalus, partly via French astragale.

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