tegmen

noun

teg·​men ˈteg-mən 

plural tegmina ˈteg-mə-nə 

: a superficial layer or covering usually of a plant or animal part

Word History

Etymology

New Latin tegmin-, tegmen, from Latin, covering, from tegere to cover — more at thatch

First Known Use

1807, in the meaning defined above

Medical Definition

tegmen

noun

teg·​men ˈteg-mən 

plural tegmina -mə-nə 

: an anatomical layer or cover

specifically : tegmen tympani