a large, stout-bodied, venomous lizard, Heloderma horridum, inhabiting western Mexico, having black, beadlike scales with yellow to pinkish spots and splotches.
Main Entry: bead·ed lizard Pronunciation: "bEd-&d- Function: noun :GILAMONSTER; especially: the yellow and black venomous Mexican lizard of the genus Heloderma (H. horridum)
