- Group of Three
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
Examples from the Web for g3
Here we may remark that in the circumference of the wheel there is a vacant place, g3, void of teeth.
The manual compass on these organs seldom extended higher than f2 or g3, though it often went down to GG.The Recent Revolution in Organ Building
George Laing Miller