tear sac | sense examples, Usage and Definition from wordnet dictionary online

Noun tear sac has 1 sense

lacrimal sac, tear sac, dacryocyst - either of the two dilated ends of the lacrimal ducts at the nasal ends of the eyes that fill with tears secreted by the lacrimal glands
--₁ is a kind of vesicle, cyst
--₁ is a part of lacrimal apparatus