Pronunciation: (le&thslash;'ur-jak"it),[key] —n. 1. Also called leath'er jack". any of several carangid fishes having narrow, linear scales embedded in the skin at various angles, esp. Oligoplites saurus, found in tropical American waters.
2. Australian.a pancake or other dough fried over a campfire.
3. the grub of the crane fly.