lacrimal sac

noun Anatomy.

the dilated upper portion of the nasolacrimal duct that receives tears from the lacrimal ducts.

Origin of lacrimal sac

First recorded in 1770–80

Words nearby lacrimal sac

lacrimal gland, lacrimal lake, lacrimal nerve, lacrimal papilla, lacrimal punctum, lacrimal sac, lacrimal vein, lacrimation, lacrimator, lacrimatory, lacrimotomy

Medical definitions for lacrimal sac

lacrimal sac

n.

The upper portion of the nasolacrimal duct into which the two lacrimal ducts empty. dacryocyst tear sac