Obs. [f. TURTLE sb.1] intr. To play the turtle, behave, like a turtle-dove (cf. TURTLE sb.1, 1, 2). Also with it.

1

1701.  J. Prince, Worthies of Devon, 338. He left … a Widow … to Turtle it after him, as he had done before.

2

1754.  Shebbeare, Marriage Act, xxv. I. 148. I … am convinced how foolish all this Stuff called Love, Fidelity, Billing and Turtling in England is.

3