ASTRAGAL

, in Architecture, a small round moulding, which encompasses the top of the fust or shaft of a column, like a ring or bracelet. The shaft always terminates at top with an astragal, and at bottom with a fillet, which in this place is called ozia.

, in Gunuery, is a kind of ring or moulding on a piece of ordnance, at about half a foot distance from the muzzle or mouth; serving as an ornament to the gun. as the former does to a column.