v. Venery, Obs. Also 5 tresone. [Etymology obscure: the first part seems to be OF. tras-, tres-:L. trans across, as in trespass.] intr. Of a roe: To cross or double before the hounds. Hence † Trasoning vbl. sb.
1486. Bk. St. Albans, Hunting, e ij b. When ye hunt at the Roo, then shall ye say thoore He crosses and tresones yowre howndys byfoore.
1575. Turberv., Venerie, xlv. 143. His [the roes] crossings and doublings before the houndes are called Trasonings.
1688. R. Holme, Armoury, II. 189/1.
a. 1700. B. E., Dict. Cant. Crew, Trasoning [printed Trajoning], when a Roe crosses and doubles.
184778. Halliwell, Trasenings.