Definition of tetter in English:

tetter

noun

Archaic
  • A skin disease in humans or animals causing itchy or pustular patches, such as eczema or ringworm.

    • ‘In most cases a fresh crop appears as soon as the first crop is matured, in which case yellow crusts form over the diseased patch, and chronic tetter exists for weeks or months.’
    • ‘Apparently, there are many kinds of tetter, including moist, branny, scally, scald-head, salt-rheum, and running tetter.’

Origin

Old English teter, of Germanic origin; from an Indo-European root shared by Sanskrit dadru skin disease.

Pronunciation:

tetter

/ˈtɛtə/