egophony

noun
egoph·​o·​ny
variants: or chiefly British aegophony \ ē-​ˈgäf-​ə-​nē How to pronounce aegophony (audio) \
plural egophonies

Medical Definition of egophony

: a modification of the voice resembling bleating heard on auscultation of the chest in some diseases (as in pleurisy with effusion)