- a mullion or muntin.
Origin of munnion
First recorded in 1585–95; assimilated variant of mullion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for munnion
Miss Munnion said that she had often observed it, and that it was very true.
Of course Diana ought to come before everything, and yet Miss Munnion did not seem able to make up her mind to go to her.
She had not to wait long, for Miss Munnion reappeared in less than five minutes shaking her head mournfully.
- an archaic word for mullion
C16: from monial mullion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012