Definition of yean in English:

yean

verb

[WITH OBJECT]archaic
  • (of a sheep or goat) give birth to (a lamb or kid)

    • ‘The sheep yeaned without any bother and there was no need for overtime in the ‘maternity unit’.’
    • ‘When the Riabhog days are done, the temperature rises, the lambs are yeaned under the hawthorn trees.’

Origin

Late Middle English: perhaps representing an Old English verb related to ēanian to lamb.

Pronunciation:

yean

/yēn/