leatherjacket

noun

Definition of leatherjacket

1 a : a filefish (family Monacanthidae)
b or less commonly leather jack : any of several fishes (genus Oligoplites) of the family Carangidae having the scales reduced and embedded in the skin; especially : a common fish (O. saurus) of both coasts of tropical America
2 : any of several Australian trees with very tough close smooth bark; especially : coachwood 1a
3 Australia : a johnnycake pan-fried or baked in hot ashes

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