1. Either of two large semiaquatic reptiles, Alligator mississipiensis of the southeast United States or A. sinensis of China, having sharp teeth and powerful jaws. They differ from crocodiles in having a broader, shorter snout.
2. Leather made from the hide of one of these reptiles.
3. A tool or fastener having strong, adjustable, often toothed jaws.
[Alteration of Spanish el lagarto, the lizard : el, the (from Latin ille, that; see al-1 in the Appendix of Indo-European roots) + lagarto, lizard (from Latin lacertus).]
(click for a larger image)alligator
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