berg UK /bɜːɡ/US /bɝɡ/ noun2 •An iceberg.The ice was thin, and only a few areas had bergs large enough to support marine mammals. — 1997 •(South-Africa) A mountain.There are in fact many such subterranean underways in Germany, speeding traffic beneath bergs, burgs and villages and into and around and under big city downtowns ... — 2004 formsbergs