columella

noun
col·​u·​mel·​la | \ ˌkäl-yə-ˈme-lə How to pronounce columella (audio) \
plural columellae\ ˌkäl-​yə-​ˈme-​(ˌ)lē How to pronounce columellae (audio) , -​ˌlī \

Definition of columella

1 : the central column or axis of a spiral univalve shell
2a : the bony or partly cartilaginous rod connecting the tympanic membrane with the internal ear in birds and in many reptiles and amphibians
b : the bony central axis of the cochlea

Other Words from columella

columellar \ ˌkäl-​yə-​ˈme-​lər How to pronounce columellar (audio) \ adjective

First Known Use of columella

circa 1755, in the meaning defined at sense 1

History and Etymology for columella

New Latin, from Latin, diminutive of columna

Keep scrolling for more

Learn More about columella

Statistics for columella

Look-up Popularity

Time Traveler for columella

The first known use of columella was circa 1755

See more words from the same year

Keep scrolling for more

More Definitions for columella

columella

noun
col·​u·​mel·​la | \ ˌkäl-(y)ə-ˈmel-ə How to pronounce columella (audio) \
plural columellae\ -​ˈmel-​(ˌ)ē also -​ˌī \

Medical Definition of columella

1 : any of various anatomical parts likened to a column:
a : the bony central axis of the cochlea
b : the lower part of the nasal septum
2 : the central sterile portion of the sporangium in various fungi (Mucor and related genera)

Other Words from columella

columellar \ -​ər How to pronounce columellar (audio) \ adjective
columellate \ -​ˌāt, -​ət How to pronounce columellate (audio) \ adjective

More from Merriam-Webster on columella

Rhyming Dictionary: Words that rhyme with columella

Comments on columella

What made you want to look up columella? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

fear of the number 13

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
True or False

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

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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