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Webster 1913 Edition

Noun.

[A corruption of

munnion

, F.

moignon

stump of an amputated limb, stump, OF.

moing

mutilated; cf. Armor.

moñ

mouñ

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.

(b)

An upright member of a framing. See

Verb.

To furnish with mullions; to divide by mullions.

Noun.

A division in a window frame; a bar.

Verb.

To shape into divisions.