[al.li.ga.tor] n [Sp el lagarto the lizard, fr. el the (fr. L ille that) + lagarto lizard, fr. (assumed) VL lacartus, fr. L lacertus, lacerta--more at lizard] (1579) 1 a: either of two crocodilians (genus Alligator) having broad heads not tapering to the snout and a special pocket in the upper jaw for reception of the enlarged lower fourth tooth b: crocodilian
2: leather made from alligator hide