skipjack

(skĭpˈjăkˌ)

1. Any of several marine food fishes of the genus Euthynnus, related to and resembling the tuna, especially an economically important striped species (E. pelamis) occurring in all tropical areas.
2. Any of various fishes, such as the bluefish, that habitually leap out of the water.
3. pl. skip·jacks Nautical A small sailboat having a bottom shaped like a flat V and vertical sides.