Astragal
Pronunciation : As"tra*gal
Part of Speech : n.
Etymology : [L. astragalus, Gr.
Definition : 1. (Arch.)
Defn: A convex molding of rounded surface, generally from half to three quarters of a circle.
2. (Gun.)
Defn: A round molding encircling a cannon near the mouth.
Source : Webster's Unabridged Dictionary, 1913