Definition of Mammy Water in English:

Mammy Water

noun

Mythology
  • A spirit woman often taking the form of a mermaid, and believed in parts of Africa (especially West Africa) to inhabit lakes and rivers.

Origin

1960s; earliest use found in Chinua Achebe (1930–2013), novelist and poet. From mammy + water, probably after a West African name.

Pronunciation

Mammy Water

/ˌmami ˈwɔːtə/