leatherjacket n 1: any of several brightly colored tropical filefishes [syn: {leatherjacket}, {leatherfish}] 2: any of several New World tropical fishes having tiny embedded scales [syn: {leatherjacket}, {leatherjack}] 3: tough-skinned larva of certain crane flies
leatherjacket \leatherjacket\ n. 1. any of several brightly colored tropical filefishes. Syn: leatherfish. [WordNet 1.5] 2. any of several New World tropical fishes having tiny embedded scales. Syn: leatherjack. [WordNet 1.5] 3. The tough-skinned larva of certain crane flies. [WordNet 1.5]