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The word Astragal is a noun, which is defined as a beaded moulding of semicircular or segmental section, and is commonly used as a decorative edging for a round opening in a door or window. Synonyms for this word include bead moulding, architrave, ogee moulding or fillet. Opposite meanings or antonyms include flat moulding or tablet moulding. Cognates of the word Astragal include the Latin term astragalus, and the Ancient Greek term astragalon. Variants of the word may include astragalus and astragli.

Linguistic, morphological, etymological, lexicology, diachronic, synchronic, morphological, Indo-European, ancient Greek, Latin

George Adrian Postea


The word 'Astragal' possesses a long history, with the earliest written record of the word found in Ancient Greek, which suggests the term has been with us since antiquity. The word originates from the Greek word 'astragalos', which was used to describe a sheep or goat's ankle bone. Historically, the term was used to denote an architectural element in columns, as part of the ovolo, a semicircular moulding, but in modern usage, it has come to be employed more generally in the description of various architectural features and finishes. From a morphological and pragmatic perspective, the word itself is used to refer to the astragal, which is a moulding or frame that outlines the separation of two parts of a structure or element, such as a door, window, or wall. Additionally, the term has come to be used more liberally to describe the moulding of a window, door, or other structure, as well as a way to describe the edge of a board or rectangular panel.

Etymology, Morphology, Astragal, Pragmatics, Ancient Greek.

Henry Fontaine


An astragal, also referred to as a moulding block, is a small square or rectangle block of wood, stone, or metal used to form a surface edge or border. It is typically used as a moulding block in furniture, wall and ceiling treatments, flooring, picture frames, and the like. In linguistics, an astragal may also be referred to as a chevron, architrave, astrogal, quirk, or cant rail. Other equivalent terms in other languages include astuce, dado, dado rail, bolection moulding, and lambrehousse.

run, trig, modillón, cornisa, vernissoir, guarnizione, architrave, dado, quirk, metope, cant rail, bolection, lambrehousse, limba, mansarda, menuta, rostro, refuerzo, maho, pasarela, tizen, trabe, cenefa.

Harris Awan


Astragal is an architectural and design feature which is used to create a border around a door or window. It is commonly made of wood, stone, or metal and is used both functionally to secure and finish the door or window, and aesthetically to add an ornamental design element. It typically takes the form of a strip with a convex cross-section, providing a raised surface for the door or window which helps to create a weather seal, and can also be used to keep out dust and bugs.

Astragal, door moulding, window trim, weather seal.

Lauren Moore

CITATION : "Lauren Moore. 'Astragal.' Design+Encyclopedia. (Accessed on March 25, 2023)"

Astragal Definition
Astragal on Design+Encyclopedia

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