interaural

adjective
in·​ter·​au·​ral | \ ˌint-ə-ˈrȯr-əl\

Medical Definition of interaural

1 : situated between or connecting the ears the interaural plane
2 : of or relating to sound reception and perception by each ear considered separately responses of auditory neurons to interaural time, phase, and intensity differences— E. I. Knudsen et al