verb (used without object), dou·ble-tongued, dou·ble-tongu·ing. Music.
to interrupt the wind flow by moving the tongue as if pronouncing t and k alternately, especially in playing rapid passages or staccato notes on a brass instrument.
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Examples from the Web for double-tongue
Historical Examples of double-tongue
A double-tongue miter is made by cutting on the adjoining edges tongues which engage in each other.Handwork in Wood
verb -tongues, -tonguing or -tongued
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