coleoptile

noun
co·​le·​op·​tile | \ˌkō-lē-ˈäp-tᵊl \

Definition of coleoptile 

: the first leaf of a monocotyledon forming a protective sheath about the plumule

First Known Use of coleoptile

circa 1866, in the meaning defined above

History and Etymology for coleoptile

New Latin coleoptilum, from Greek koleon + ptilon down; akin to Greek pteron

Keep scrolling for more

Learn More about coleoptile

Share coleoptile

Statistics for coleoptile

Look-up Popularity

Time Traveler for coleoptile

The first known use of coleoptile was circa 1866

See more words from the same year

More from Merriam-Webster on coleoptile

Britannica.com: Encyclopedia article about coleoptile

Comments on coleoptile

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

WORD OF THE DAY

to clear from alleged fault or guilt

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

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!