See quotation 1851.
1851. He did nt know what they were nibbling at, and he did nt know what meetin-seed was. Why, la! said she, some people call it caraway and anise seed, but we call it meetin-seed, cause we callate it keeps us awake in meetin; so we allers take it to eat while the minster is preachin!Knick. Mag., xxxviii. 372 (Sept.).
1877. She munched a sprig of meetin seed, and read her spelling-book.St. Nicholas, Jan. (Bartlett).
1891. [She was] choked with the dead odors of meetin-seed, the musty chill of the past week, &c.Rose T. Cooke, Huckleberries, p. 330 (Boston).