diamondback
adjective(di-a-mond-back)
having marks like diamonds or lozenges on the back
diamondback
noun(di-a-mond-back)
either of two large and deadly rattlesnakes (Crotalus adamanteus of the southeastern U.S. and C. atrox of the south central and southwestern U.S. and Mexico) —called also diamondback, diamondback rattler
diamondback
noun(di-a-mond-back)
a nearly cosmopolitan moth (Plutella xylostella of the family Plutellidae) whose larva is a pest on cruciferous plants
diamondback
noun(di-a-mond-back)
any of several terrapins (genus Malaclemys) formerly widely distributed in salt marshes along the Atlantic and Gulf coasts but now much restricted