Definition of moch in US English:

moch

(also mouch)

noun

Northern, Scottish, North
  • A moth; especially a clothes moth.

adjective

Irish English, Scottish, Northern
  • Moist, damp; mouldy, putrescent; humid, muggy.

Origin

Mid 17th century. Variant of moth<br>early 16th century; earliest use found in Gavin Douglas (c1476–1522), poet and bishop of Dunkeld. Origin uncertain; probably from a Germanic base related to mug.

Pronunciation

moch

/mɒx/