[Fr.: ? transferred use of luth LUTE sb.1] The Leather Turtle (see LEATHER sb. 6).

1

1883.  Fisheries Exhib. Catal. (ed. 4), 176. The large Sunfish … the Luth … the group of Péron’s Seals.

2

1884.  [see leather turtle s.v. LEATHER 6].

3

1901.  Gadow, Amphibia & Reptiles, 333. Sphargis s. Dermatochelys coriacea, the Leathery Turtle or Luth … the largest of all recent Chelonians.

4