small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae
any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk
graceful Old World ruminant with long legs and horns directed upward and backward; includes gazelles; springboks; impalas; addax; gerenuks; blackbucks; dik-diks
any small or medium-sized cat resembling the domestic cat and living in the wild
(of a mine or oil well) drilled speculatively in an area not known to be productive; "drilling there would be strictly a wildcat operation"; "a wildcat mine"; "wildcat drilling"; "wildcat wells"
outside the bounds of legitimate or ethical business practices; "wildcat currency issued by irresponsible banks"; "wildcat stock speculation"; "a wildcat airline"; "wildcat life insurance schemes"