Entry 1 sense Webster, 1913 Yearnings /yẽrn'-ĭngz/ · Yearn·ings · IPA /jˈɜrnɪŋz/ 01 n. pl. The maws, or stomachs, of young calves, used as a rennet for curdling milk. 1. The maws, or stomachs, of young calves, used as a rennet for curdling milk.[Scot.]