septimole
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septimole
(ˈsɛptɪˌməʊl)n
a group of seven musical notes to be played in the same space of time as either four or six
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014