sea king

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A Viking pirate chief of the early Middle Ages.

from the GNU version of the Collaborative International Dictionary of English.

• One of the leaders among the Norsemen who passed their lives in roving the seas in search of plunder and adventures; a Norse pirate chief. See the Note under Viking.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun historical One of the Norse leaders who roved the seas in search of plunder and adventures; a Norse pirate chief.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a Viking pirate chief