Sabbath day, Sunday; so called in the interior of New England.
Newman. You look better; I hope yon feel better, and are better.
Doolittle. Why, I expect I do, and I guess I be, all three. I know I be, as to the first particular, changing my old shabby duds, for these new Sabbaday clothes, for a to-to-meeting day, anywheres.--D. Humphreys, The Yankee in England, p. 29.