Enter a clue or pattern or both:
The Clue
Vertical dividing bar in windows (7 letter answer)
The Answer
MULLION
Tags
Notes
The answer MULLION is so rare that it appears less than once every 2500 puzzles.
Related Clues
Panel divider
Definition
MULLION as a noun:
1. a nonstructural vertical strip between the casements or panes of a window (or the panels of a screen)