Mul"lion (?), n. [A corruption of munnion, F. moignon stump of an amputated limb, stump, OF. moing mutilated; cf. Armor. mon, moun, mank, monk, and also L. mancus maimed.] Arch. (a)

A slender bar or pier which forms the division between the lights of windows, screens, etc.


An upright member of a framing. See Stile.


© Webster 1913.

Mul"lion, v. t.

To furnish with mullions; to divide by mullions.


© Webster 1913.