tegmen

[teg-muh n] /ˈtɛg mən/
noun, plural tegmina
[teg-muh-nuh] /ˈtɛg mə nə/ (Show IPA)
1.
a cover, covering, or integument.
2.
Botany. the delicate inner integument or coat of a seed.
3.
(of certain orthopterous insects) one of a pair of leathery forewings that forms a protective covering for the hind wings.
Origin
1800-10; < Latin: covering (also tegumen, tegimen with anaptyctic vowel), equivalent to teg(ere) to cover + -men noun suffix
Related forms
tegminal
[teg-muh-nl] /ˈtɛg mə nl/ (Show IPA), adjective
subtegminal, adjective
Examples from the web for tegmen
  • Crinoids lack a madreporite, having instead a series of small pores in the tegmen, opening to the body cavity.
British Dictionary definitions for tegmen

tegmen

/ˈtɛɡmən/
noun (pl) -mina (-mɪnə)
1.
either of the leathery forewings of the cockroach and related insects
2.
the delicate inner covering of a seed
3.
any similar covering or layer
Derived Forms
tegminal, adjective
Word Origin
C19: from Latin: a cover, variant of tegimen, from tegere to cover
tegmen in Medicine

tegmen teg·men (těg'mən)
n. pl. teg·mi·na (-mə-nə)
A covering or an integument of a part. Also called tegmentum.

tegmen in Science
tegmen
  (těg'mən)   
A covering or integument, such as the tough leathery forewing of certain insects or the inner coat of a seed.