Definify.com
Webster 1913 Edition
Skipjack
Skip′jackˊ
,Noun.
1.
An upstart.
[Obs.]
Ford.
2.
(Zool.)
An elater; a snap bug, or snapping beetle.
3.
(Zool.)
A name given to several kinds of a fish, as the common bluefish, the alewife, the bonito, the butterfish, the cutlass fish, the jurel, the leather jacket, the runner, the saurel, the saury, the threadfish, etc.
4.
(Naut.)
A shallow sailboat with a rectilinear or V-shaped cross section.