\Bo`a*ner"ges\ [Gr. ?, fr. Heb. bn? hargem sons of thunder. -- an appellation given by Christ to two of his disciples (James and John). See Mark iii. 17.] Any declamatory and vociferous preacher or orator.
sons of thunder, a surname given by our Lord to James and John (Mark 3:17) on account of their fervid and impetuous temper (Luke 9:54).
Webster's 1913 Dictionary