muntin

From Middle English mountaunt, from Old French montant, present participle of monter (“to put up”).

muntin (plural muntins)

1. (architecture) One of the separators between panes of glass in a composite window.
   • 1979, Cormac McCarthy, Suttree, Random House, page 174:

     He looked for a bell but there were just the wires hanging from a hole so he tapped on the glass of the sidelights. They gave soft and soundless in their lead muntins.

• glazing bar

• mullion (vertical)
• transom (horizontal)

• muntined

muntin

1. inflection of muntar:
   1. third-person plural present subjunctive
   2. third-person plural imperative