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 5 Dec. 2022.

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

More from Merriam-Webster on indusium

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
Spell It

Hear a word and type it out. How many can you get right?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ