a. and sb. Now dial. Also 6 trynter, thrwnter, thrwenter, 9 thrunter (Sc. fronter, frunter). [In OE. þri-winter, three-winter., three-year-; but the word may have been formed anew in 16th c., after TWINTER.] a. adj. Of three winters; three years old: said of cattle and sheep. b. sb. A sheep or bovine animal of three years or winters (now applied only to sheep).
[c. 1000. Ælfric, Voc., in Wr.-Wülcker, 117/20. Trimus, uel triennis, uel trimulus, ðri-winter.]
1536. Durham Acc. Rolls (Surtees), 419. 4 Trynters, 7 Twynters, 20 Dynmontes, 23 Hogges.
1570. Wills & Inv. N. C. (Surtees), I. 341. Fyue thrwnter stotts at vl xiijs iiij diij thrwenter whyes at iiijl.
1577. in Hist. Soc. Lanc. & Chesh., LVLVI. 27. Item. One other cowe . Item two thrinters.
1890. Cornh. Mag., Oct., 382. One of our thrunters, or three-winter-old ewes.
a. 1898. J. Shaw, in R. Wallace, Country Schoolmaster (1899), 339. Twinters and th[r]inters, sic like names for sheep.