sashless

English

Etymology

sash +‎ -less

Adjective

sashless (not comparable)

1. Without a sash.
   • 1959 March, “They're testing tomorrow's homes”, in Popular Mechanics, volume 111, number 3, page 102:

     Windows in the South Bend house are sashless. They are simply plates of glass that slide in the grooves of a wood casing.