pseudophone

[ soo-duh-fohn ]
/ ˈsu dəˌfoʊn /

noun

an instrument for producing illusory auditory localization by changing the relationship between the receptor and the actual direction of the sound.

Origin of pseudophone

First recorded in 1875–80; pseudo- + -phone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019