Crossword clues for He lowered the boom. 6 letters:CLANCYBoom-lowerer of song.CLANCYHe lowered the boom.CLANCYHe lowered the boom in an old songCRACKDOWNONLower the boomCRANEOne may lower the boomSILENCERSThey'll lower the boomHEELLower end of a mast, boom, etc.