collunarium

noun
col·​lu·​nar·​i·​um | \ ˌkäl-ə-ˈnar-ē-əm How to pronounce collunarium (audio) \
plural collunaria\ -​ē-​ə How to pronounce collunaria (audio) \

Medical Definition of collunarium

: a medicated solution for instillation into the nostrils as a wash or spray or as drops

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