Imitating turtle (soup): only in the phrase mock-turtle soup (an imitation of turtle soup made with calf's head).
The Century Dictionary (Public Domain)
Use "mock-turtle" in a sentence
"It comes in five colors with contrasting cuffs and mock-turtle collar."
"FSJ, would you still sue the creator if he had dressed your caricature in a mock-turtle neck and had some U2 or Lothar and the Hand People as the music?"
"When she proposed her mock-turtle, and stewed pigeons, and gooseberry-cream, Rosa turned up her nose — a pretty little nose it was, by the way, and with a natural turn in that direction."