Definition of "whiptail"

whiptail

noun
countable and uncountable, plural whiptails
1. Any of many New World lizards, of the family Teiidae, that have long, slender tails.
2. A fish, blue grenadier (Macruronus novaezelandiae).
  Quotations
  One of the most popular is the hoki, or whiptail, a bug-eyed specimen found far down in the waters around New Zealand and transformed into a major export.
  2009 September 10, William J. Broad, “From Deep Pacific, Ugly and Tasty, With a Catch”, in New York Times‎
3. (uncountable) A leaf-distorting disorder in the cauliflower, caused by molybdenum deficiency.
4. A pretty-faced wallaby (Macropus parryi).
  Quotations
  Social status may be less important to red-necked wallabies, which, unlike whiptails, are "essentially solitary" (McEvoy 1970).
  1977, New Zealand Journal of Zoology, volume 4, number 4, page 409
5. A catfish of species Dasyloricaria filamentosa.