A corruption of Cos or Coss. Not noticed in the dictionaries.
1773. John Adams advertises “Green and White Coss” (Cos lettuce seed).—Boston Evening Post, March 22.
1774. Susannah Renken sells Garden seeds, including “Early frame, white goss, early green goss, large green goss, bloody goss, Aleppo goss, &c.”—Boston Evening Post, April 4.
1774. Ebenezer Oliver sells “best Head Lettuce, green and white Coss ditto.”—The same.
1774. Elizabeth Greenleaf, “green and white Goss.”—The same.
1774. Elizab. Clark and Nowell, “Green and white goss Cabbage [seeds].”—Id., April 11.
