views updated Jun 11 2018

astragal, astragulus.
1. Baguette, bead, chaplet, small convex moulding, or roundel, especially the ring of semicircular section at the top of the shaft of most Classical columns (except Greek Doric), defining the bottom of the capital, or a similar type of moulding further defining architrave fasciae, often ornamented, usually with bead-and-reel.

2. In Scotland, glazing-bars in a window-frame, dividing the lights into panes.