antheridium

noun

an·​ther·​id·​i·​um ˌan(t)-thə-ˈri-dē-əm How to pronounce antheridium (audio)
plural antheridia ˌan(t)-thə-ˈri-dē-ə How to pronounce antheridium (audio)
: the male reproductive organ of some cryptogamous plants
antheridial adjective

Word History

Etymology

anther + -idium

First Known Use

1818, in the meaning defined above

Time Traveler
The first known use of antheridium was in 1818

Dictionary Entries Near antheridium

Cite this Entry

“Antheridium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antheridium. Accessed 24 Mar. 2023.

More from Merriam-Webster on antheridium

Love words? Need even more definitions?

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


What Did You Just Call Me?

  • brown chihuahua sitting on the floor with squinting eyes looking at the camera
  • Before we went to her house, Hannah told us her aunt was a flibbertigibbet.
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY