a. Forms: 6 wheye, 67 whayey, 7 whayie, wheyie, whaey, 7 wheyey. [f. WHEY sb. + -Y1.] Of the nature of whey; consisting of, containing or resembling whey.
1547. Recorde, Judic. Uryne, 13 b. Urine is the superfluitie or wheye substaunce of the bloude in the hollow vayne.
1572. J. Jones, Buckstones Bathes Benefyte, 18. The whayey, thinne, and subtyle humoures.
1615. Crooke, Body of Man, 95. The serous or wheyie part of the bloud.
1708. Brit. Apollo, No. 23. 2/1. The more Wheyey Parts of the Chyle.
1778. Pennant, Tour in Wales (1883), I. 54. Discolored by a wheyey tinge.
1822. Good, Study Med., IV. 81. The surface of which [sc. the bladder] pours forth a cheesy or wheyey fluid.
1847. W. C. L. Martin, The Ox, 29/1. A separation of the buttery and wheyey parts.
Hence Wheyiness, wheyey quality.
1662. J. Chandler, Van Helmonts Oriat., 220. They prefer Asses milk before the rest, by reason of its thin substance, and very much wheyinesse.