otolaryngologyPronunciation: /ˌəʊtə(ʊ)larɪŋˈgɒlədʒi/Definition of otolaryngology noun [mass noun] the study of diseases of the ear and throat. Derivatives otolaryngologicalPronunciation: /-gəˈlɒdʒɪk(ə)l/ adjective otolaryngologist noun otolaryngology in other Oxford dictionaries Definition of otolaryngology in the US English dictionary