lacrimal bone

American  

noun

Anatomy.

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

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Etymology

Origin of lacrimal bone

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