What does "mullion" mean?
Mullion: (a) A slender bar or pier which forms the division between the lights of windows, screens, etc. (b) An upright member of a framing. See Stile.
Additional senses
- 2.To furnish with mullions; to divide by mullions.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00