1. a small convex molding, typically semicircular in cross section, used in classical architecture
Usage: architecture
2. the ankle bone; the talus
Usage: anatomy

Examples

• The architect specified an astragal between the column shaft and capital.
• Classical Greek temples often feature astragals as decorative elements.
• The astragal provides a smooth transition between architectural surfaces.
• In anatomy class, we studied the astragal and its role in ankle movement.
• The astragal bone connects the leg bones to the foot.
• Ancient builders used astragals to add visual interest to their columns.