Pronunciation: (skip'jak"), [key]
—pl. (esp. collectively) -jack, (esp. referring to two or more kinds or species) -jacks for 1; -jacks for 2, 3.
1. any of various fishes that leap above the surface of the water, as a tuna, Euthynnus pelamis, or the bonito.
2. Entomol.See click beetle.
3. Naut.an American one-masted sailing vessel.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.