— egophonic /ee'geuh fon"ik/ , adj.
/ee gof"euh nee/ , n.
a vocal sound heard through a stethoscope and resembling the bleating of a goat, often occurring in cases of pleurisy with effusion.
[ 1850-55; ego- aigo- comb. form of aíx goat (s. aig-; cf. AEGIS) + -PHONY ]