Word Study
Mun
CIDE DICTIONARY
Mun, n. [See Mouth.].
The mouth. [1913 Webster]
"One a penny, two a penny, hot cross buns,
Butter them and sugar them and put them in your muns." [1913 Webster]
Butter them and sugar them and put them in your muns." [1913 Webster]
For further exploring for "Mun" in Webster Dictionary Online