Green’s Dictionary of Slang

the gallows, thus Tyburn.

1665		Head Eng. Rogue I 53: Trine, Tyburn.
c.1698		B.E. Dict. Canting Crew n.p.: Trine, [...] Tyburn.
1714		A. Smith Lives of Most Noted Highway-men, etc. I 209: He taught his Pupil a deal of canting Words, telling him [...] Trine, the Gallows.
1725		New Canting Dict. [as cit. c.1698].
1728		Defoe Street Robberies Considered 34: Trine, Gallows or Tyburn.
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue n.p.: Trine, to hang; also Tyburn.
1809		G. Andrewes Dict. Sl. and Cant.
1811		Lex. Balatronicum [as cit. 1785].
1833		‘Her Muns with a Grin’ in Swell!!! or, Slap-Up Chaunter 50: A cut from the trine — or milldolling line — / Or a Sam darkly met.
1848		Flash Dict. in Sinks of London Laid Open 128: Trine, the new drop.