A kind of fishing-boat.
1837. After innumerable voyages aboard men-of-war and merchant-men, fishing-schooners and chebacco-boats, the old salt had become master of a handcart.Hawthorne, Twice-told Tales, ii. 92. (N.E.D.)
1859. I recollect a little stream in the county of Essex, in Massachusetts, where, some fifty years ago, they used to manufacture a sort of little boat, called chebacco boat.Mr. Hale of N.H., U.S. Senate, Feb. 22: Cong. Globe, p. 1210.
*** Chebacco was the Indian name of Essex, Massachusetts.