Definition of gammer in US English:

gammer

noun

archaic
  • An old countrywoman.

    • ‘When he turned away from the hedge, he heard the voice of an old gammer, coming from the next garden.’

Origin

Late 16th century: probably a contraction of godmother; see also gaffer.

Pronunciation

gammer

/ˈɡamər//ˈɡæmər/