What does "leatherback" mean?

Any of species Dermochelys coriacea, of large sea turtles, with leathery backs.

How do you pronounce "leatherback"?

Pronounced //ˈlɛ.ðɚ.bæk//.

Common synonyms include: chameleon, dermochelys coriacea, dragon, leatherback turtle, leathery turtle, reptile.

/ˈlɛ.ðɚ.bæk/ noun

noun ·Rare ·Advanced level

Noun

1
Any of species Dermochelys coriacea, of large sea turtles, with leathery backs.
2
wide-ranging marine turtle with flexible leathery carapace; largest living turtle wordnet
3
A lesser queenfish (Scomberoides lysan).

"Leatherback turtles can weigh hundreds of kilos."

From leather + back.