astragal

American  

[as-truh-guhl] / ˈæs trə gəl /

noun

Architecture, Furniture.

1. a small convex molding cut into the form of a string of beads.

2. a plain convex molding; bead.

3. a molding attached to one or both meeting stiles of a pair of double doors in order to prevent drafts.

---

astragal British  

/ ˈæstrəɡəl /

noun

1. architect

   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

2. carpentry a glazing bar, esp in a bookcase

3. anatomy the ankle or anklebone

---

Etymology

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)

Example Sentences

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

From Woodwork Joints How they are Set Out, How Made and Where Used. by Fairham, William

The ingots of tin were in the form of an astragal, and an ancient ingot of large size dredged up in Falmouth Harbour, weighing 150 lbs., resembled the letter H in form.

From From John O'Groats to Land's End by Naylor, Robert

The style of carving of the cymatium with its astragal should be the Lesbian.

From The Ten Books on Architecture by Vitruvius Pollio

The curves bear a distant resemblance to the volutes of a capital; above this base appears a ring or astragal, the origin of which may be easily guessed.

From A History of Art in Chaldæa & Assyria, v. 1 by Armstrong, Walter, Sir

An astragal with the customary bead and reel separates the cymatium and the corona, while a drilled rope supplies the bed molding above the dentil course.

From The Colonial Architecture of Philadelphia by Cousins, Frank