dacryocystorhinostomy
noun
dac·ryo·cys·to·rhi·nos·to·my
| \ -ˌsis-tə-ˌrī-ˈnäs-tə-mē
\
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plural dacryocystorhinostomies
Medical Definition of dacryocystorhinostomy
: surgical creation of a passage for drainage between the lacrimal sac and the nasal cavity