Having many timbres or sounds; specifically designating an electronic musical instrument, etc., capable of producing a number of different sounds simultaneously, polyphonic.
Origin
1980s; earliest use found in The Washington Post.
Definition of multi-timbral in US English:
multi-timbral
adjective
Having many timbres or sounds; specifically designating an electronic musical instrument, etc., capable of producing a number of different sounds simultaneously, polyphonic.