Astragal

Astragal architectural element MH

Schema.astragale

Astragal refers to a concept or object that can be understood in various contexts, primarily in architecture, anatomy, and gaming. This article will explore these different aspects to provide a comprehensive understanding of the term.

Astragal in Architecture[edit | edit source]

In architecture, an astragal is a small moulding or trim attached to the meeting stiles of a pair of double doors or windows to prevent swinging through, cover the gap for privacy, or add a decorative element. Typically, it is a rounded, semi-circular profile that can be plain or ornamented, serving both functional and aesthetic purposes. The astragal helps in sealing the gap between the doors to prevent light, sound, or air from passing through, enhancing the doors' performance in terms of insulation and privacy.

Astragal in Anatomy[edit | edit source]

In anatomy, the term astragal refers to the talus bone of the ankle. This bone plays a crucial role in the foot's structure, acting as a critical connector between the leg and the foot, allowing for a range of movements. The astragalus is situated between the fibula, tibia, and the bones of the lower foot, facilitating motion and weight distribution during walking or running. Its unique shape and articulations with surrounding bones make it essential for the foot's stability and flexibility.

Astragal in Gaming[edit | edit source]

In the context of gaming and historical divination, an astragal refers to a die or knucklebone used in games of chance or for divination purposes. Historically, astragals were made from the ankle bones of sheep, goats, or other animals and could have different shapes and markings, indicating their value or outcome in the game. These objects have been used in various cultures over millennia, serving both as tools for entertainment and as means for making decisions or predicting the future.