Sc. and n. dial. [f. YEARN v.2 + -ING1.] Rennet. Also attrib.
13713. Durham Acc. Rolls (Surtees), 577. Pro yernyng et Chesecloutes emp. pro vaccaria.
15812. Inv., in Best, Farm. Bks. (Surtees), 172. Yerens [? yernens], oitemeell, and onions 13s. 4d.
1753. Chambers Cycl., Suppl. App., Earning, or Yearning, a name used in several parts of the kingdom for rennet.
1788. W. Marshall, E. Yorksh., Gloss. (E.D.S.), Cheslip-skin, the calfs bag, used in making yerning.
c. 1820. [see EARNING vbl. sb.3 2].
1825. Brockett, N. C. Gloss., s.v. A plant used in North Tindale to curdle milk for cheese is called yerning grass.
1825. Jamieson, s.v., The yirnin is the maw or stomach of the calf.