Obs. slang. [f. TWELVE + -ER1.] A coin worth twelve pence.
a. 1700. B. E., Dict. Cant. Crew, Twelver, a Shilling.
1725. in New Cant. Dict.
1732. Tricks of Town, 15. The particular saucy impudent Behaviour of the Coachmen in demanding t’other Twelver or Tester above their Fare, has been the occasion of innumerable Quarrels, Fighting and Abuses.
