WordReference Random House Unabridged Dictionary of American English © 2025
sea′ king′,
- World Historyone of the piratical Scandinavian chiefs who ravaged the coasts of medieval Europe.
- Military(caps.) a twin-engine U.S. Navy helicopter for rescue work and antisubmarine warfare.
- 1575–85; translation of Old Norse sǣkonungr; cognate with Old English sǣcyning