noun, plural tegmina [teg-muh-nuh] .
a cover, covering, or integument.
Botany. the delicate inner integument or coat of a seed.
(of certain orthopterous insects) one of a pair of leathery forewings that forms a protective covering for the hind wings.

1800–10; < Latin: covering (also tegumen, tegimen with anaptyctic vowel), equivalent to teg(ere) to cover + -men noun suffix

tegminal [teg-muh-nl] , adjective
subtegminal, adjective
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World English Dictionary
tegmen (ˈtɛɡmən)
n , pl -mina
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
[C19: from Latin: a cover, variant of tegimen, from tegere to cover]

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Medical Dictionary

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

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
tegmen   (těg'mən)  Pronunciation Key 
A covering or integument, such as the tough leathery forewing of certain insects or the inner coat of a seed.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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