lizard UK /ˈlɪzəd/US /ˈlɪzɚd/ noun6 •Any reptile of the order Squamata that is not a snake or mosasaur—typically characterised by a rounded torso, a short neck with an elevated head, a long tail and four limbs, although some species are legless.The cicale above in the lime, / And the lizards below in the grass, / Were as silent as ever old Tmolus was, / Listening to my sweet pipings. — 1823 •[before a noun] Lizard skin, the skin of these reptiles.Silver bells jingling from your black lizard boots, my baby / Silver foil to trim your wedding gown — 1990 •[in compounds] (slang, disapproving) A person who idly spends time in a specified place, especially a promiscuous woman. •(informal) An unctuous person. •(informal) A coward. •A hand forming a "D" shape with the tips of the thumb and index finger touching (a handshape resembling a lizard), that beats paper and Spock and loses to rock and scissors in rock-paper-scissors-lizard-Spock. formslizards