leatherjacket has definitions from the field of zoology
1
[ noun ] (zoology) any of several New World tropical fishes having tiny embedded scales

Synonyms

leatherjack

Related terms

jack Oligoplites

2
[ noun ] (zoology) any of several brightly colored tropical filefishes

Synonyms

leatherfish

Related terms

filefish Monocanthus

3
[ noun ] (zoology) tough-skinned larva of certain crane flies

Related terms

grub

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