SCREW n. 3 definitions
A cylinder, or a cylindrical perforation, having a continuous rib, called the thread, winding round it spirally at a constant inclination, so as to leave a continuous spiral groove, between one turn and the next, -- used chiefly for producing, when revolved, motion or pressure in the direction of its axis, by the slidi…
SKIPJACK n.
, the cutlass fish, the jurel, the leather jacket, the runner, the saurel, the saury, the threadfish, etc.