diamondback

adjective

1. bearing diamond-shaped marks, designs, or configurations on the back.

noun

2. diamondback rattlesnake.
3. diamondback terrapin.
4. diamondback moth.

noun

1. Also called: diamondback terrapin, diamondback turtle any edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae
2. a large North American rattlesnake, Crotalus adamanteus, having cream-and-grey diamond-shaped markings