countermelody

[ koun-ter-mel-uh-dee ]
/ ˈkaʊn tərˌmɛl ə di /

noun, plural coun·ter·mel·o·dies.

a melody heard, played, or sung simultaneously with another melody as an integral part of the composition.

Origin of countermelody

First recorded in 1930–35; counter- + melody
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019