a name signifying sons of thunder, given by our Lord to the two sons of Zebedee, James and John, probably on account of their fiery earnestly. (Mark 3:17) See (Luke 9:54; Mark 9:38) comp. Matt 20:20 etc.
·- Any declamatory and vociferous preacher or orator. ...
Webster's Dictionary of the English Language
son of thunder ...
Hitchcock's Bible Names Dictionary
Sons of thunder, a surname given by our Lord to James and John (Mark 3:17) on account of their fervi...
Easton's Bible Dictionary