local. Also 8 taisté, 9 tysté, -ty, -tie, -tey, teisty, testie, tiestie. [Of Norse origin: cf. Norw. teist(e, OIcel. þeist, þeisti.] The Black Guillemot.
1774. Low, Fauna Orcad. (1813), 106. The taisté build in holes of the earth: lay but one egg.
1837. R. Dunn, Ornith. Orkney & Shetl., 102. Uria Grylle…. Tystie. Black Guillemot. Greenland Dove.
1847. Zoologist, V. 1909. The black guillemot … or the testie.
1876. D. Gorrie, Summers & Wint. Orkneys, v. 153. Bevies of teisties were disporting themselves in front and rear.
1892. G. Stewart, Shetland Fireside T., iv. (ed. 2), 27. He turned as fat as a tiestie.
1893. Cozens-Hardy, Broad Norfolk, 50 Sometimes there is quite a family of similar names … of the same origin. Thus the Black Guillemot is … the tyste, taiste, toyst, and tysty.
