[Fr.:—OF. tressel, deriv. of tresse TRESS.] Applied to a vine, of which the grapes grow in a much elongated cluster. Also attrib.
1763. Mills, Pract. Husb., IV. 381. If some plants of the tresseau, whose fruit never ripens easily, are mixed with the pineaus, it is … because our forefathers … judged it necessary to add these tresseaus. Ibid., 382. A reasonable proportion of the tresseau grape should always be planted with the others in sandy soils.
