SINCE 1828
sorus
noun
so·rus
| \ ˈsȯr-əs
\
\
plural sori\ ˈsȯr-ˌī
, -ˌē \
, -ˌē \
Definition of sorus
: a cluster of plant reproductive bodies: such as
a
: a cluster of sporangia on the underside of a fertile fern frond
b
: a mass of spores bursting through the epidermis of the host plant of a parasitic fungus
c
: a cluster of gemmae on the thallus of a lichen
Keep scrolling for more
Comments on sorus
What made you want to look up sorus? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Challenging Vocabulary Quiz Returns!
-
- Which is a synonym of fuliginous?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Challenging Vocabulary Quiz Returns!
No tricks, just difficult words.
Take the quiz -
Time Traveler Quiz: Which Word Came First?
Which word entered the English language first?
Take the quiz -
Name That Thing
Test your visual vocabulary with our 10-question challenge!
Take the quiz -
Dictionary Devil
The dictionary has been scrambled—can you put it back together?
Play the game
Share sorus
Resources for sorus