British Dictionary definitions for hum tone

hum tone

noun

a note produced by a bell when struck, lying an octave or (in many English bells) a sixth or seventh below the strike toneAlso called (esp Brit): hum note

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012