1) Yeaning 
the process of giving birth in sheep. Also the work of tending lambing ewes (shepherds are said to lamb their flocks).
• (p. pr. & vb. n.) of Lamb
The period of the year when the flock is synchronised to give birth in an interval of a few weeks. The process of an individual ewe giving birth.
the process of a ewe giving birth to lambs. Also the work of tending lambing ewes (shepherds are said to lamb their flocks).
Ewes giving birth to young.