sash bar

sash bar

[′sash ‚bär]
(building construction)
One of the strips of wood or metal that separate the panes of glass in a window. Also known as glazing bar; muntin; window bar.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

sash bar

A secondary framing member to hold panes within a window, a window wall, or a glazed door; same as muntin.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.