indusium

noun

in·​du·​si·​um in-ˈdü-zē-əm How to pronounce indusium (audio)
-ˈdyü-,
-zhē- How to pronounce indusium (audio)
plural indusia in-ˈdü-zē-ə How to pronounce indusium (audio)
-ˈdyü-,
-zhē- How to pronounce indusium (audio)
: an investing outgrowth or membrane
especially : an outgrowth of a fern frond that covers the sori

Word History

Etymology

New Latin, from Latin, tunic

First Known Use

1807, in the meaning defined above

Time Traveler
The first known use of indusium was in 1807

Dictionary Entries Near indusium

Cite this Entry

“Indusium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indusium. Accessed 27 Nov. 2024.

Medical Definition

indusium

noun
in·​du·​si·​um in-ˈd(y)ü-z(h)ē-əm How to pronounce indusium (audio)
plural indusia -z(h)ē-ə How to pronounce indusium (audio)
: a membrane serving as a covering
especially : indusium griseum

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