Now dial. Forms: 3 swinacie, 4 swynacy; 45 squynacy (4 -ase), 4 -acie, 5 -ye, sqwynacye, skwynecy; 5 squinaci, -acye, -aseye, 5, 7 squinacie, -asie, 7, 9 squinacy. [var. of SQUINANCY, by early elision of the second n.] = SQUINSY.
c. 1250. Gen. & Ex., 1188. His wif and oðere birðe beren, ða ðe swinacie gan him nunmor deren.
c. 1340. Hampole, Pr. Consc., 2999. Som for glotoni sal haf þare, Als þe swynacy, þat greves ful sare.
1387. Trevisa, Higden (Rolls), III. 335. Demoscenes come forþ wiþ wolle aboute his nekke, and seide þat he hadde the squynacy.
c. 1425. St. Mary of Oignies, II. iii. in Anglia, VIII. 157. A ful perlyous yuel, þat is aposteme of þe þroot, þat is callid þe squynacy.
c. 1450. M. E. Med. Bk. (Heinrich), 215. For þe squinaseye.
1483. Cath. Angl., 357/2. Þe Squynacy, squinancia, guttura.
1615. H. Crooke, Body of Man, 766. These inward muscles being inflamed the most acute and sharpe Squinasie is ingendred.
1629. Z. Boyd, Balm of Gilead, 70. There he will set down a squinacie, crowels, or boils.
1670. T. Brooks, Wks. (1867), VI. 426. That one man dies of an apoplexy in the head, one of a squinacy in the throat.
1880. Antrim & Down Gloss., 98. Squinacy, a quinsy.
a. 1904. in Eng. Dial. Dict.