overblow[ō′vər blō′, ō′vər blō′]
overblow definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
overblow definition by American Heritage Dictionary
transitive verb o·ver·blew , o·ver·blown , o·ver·blow·ing, o·ver·blows
To blow (a wind instrument) so as to produce an overtone instead of a fundamental tone.