lacrimal bone

noun

, Anatomy.

1. a small, thin, membrane bone forming the front part of the inner wall of each orbit.

Word History and Origins

Origin of lacrimal bone¹

First recorded in 1850–55

Example Sentences

The maxilla encircles the posterior border of the naris and extends dorsally above the naris to an extent sufficient to indicate the probable exclusion of the lacrimal bone from the narial border.

From Project Gutenberg