whiptail /ˈ(h)wɪpteɪ(ə)l/ noun5 •Any of many New World lizards, of the family Teiidae, that have long, slender tails. •A fish, blue grenadier (Macruronus novaezelandiae).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 •A pretty-faced wallaby (Macropus parryi).Social status may be less important to red-necked wallabies, which, unlike whiptails, are "essentially solitary" (McEvoy 1970). — 1977 •A catfish of species Dasyloricaria filamentosa. •A leaf-distorting disorder in the cauliflower, caused by molybdenum deficiency. formswhiptails