mou1
/muː/Chiefly Scottish
noun
= mouth.
Origin
Mid 16th century; earliest use found in The Destruction of Troy. Shortened from mouth. With loss of final -th, compare unco adverb noun.
mou2
/muː/ /maʊ/(also mow, mu)
noun
A Chinese unit of area, varying according to locality but usually equivalent to about 670 square metres (approx. 800 square yards).
Origin
Mid 19th century; earliest use found in John Francis Davis (1795–1890), colonial governor and Chinese scholar. From Chinese mǒu (also transliterated mow), mǔ (also transliterated mou).