dacryocystorhinostomy

[ dăk′rē-ō-sĭs′tə-rī-nŏstə-mē ]

n.

The surgical opening of a passage for drainage from the lacrimal sac into the nasal cavity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.