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collunarium

American  
[kol-yuh-nair-ee-uhm] / ˌkɒl yəˈnɛər i əm /

noun

Medicine/Medical.

PLURAL

collunaria
  1. a solution for application in the nose; nose drops.


Etymology

Origin of collunarium

< New Latin, equivalent to Latin collu ( ere ) to rinse ( collutory ) + nār ( ēs ) nostrils (akin to nose ) + -ium -ium