Definify.com

Webster 1913 Edition

Paneless

Pane′less

,

Adj.

Without panes.

To patch his

paneless

window.

Shenstone.

Webster 1828 Edition

Paneless

PA'NELESS

,

Adj.

Without panes of glass.

Definition 2024

paneless

paneless

English

Adjective

paneless ‎(not comparable)

Without a pane.
- 2007 August 26, Bruce Lambert, “Amid Family’s Quarrels, a Home Worthy of Gatsby Begins to Crumble”, in New York Times:
  These days, Mrs. Kern, an 81-year-old widow, lives alone amid floors rotted in places and some paneless windows.