sessile

adjective ses·sile \ ˈse-ˌsī(-ə)l , -səl \
Updated on: 10 May 2018

Definition of sessile

1 : attached directly by the base : not raised upon a stalk or peduncle
  • a sessile leaf
  • sessile bubbles
2 : permanently attached or established : not free to move about
  • sessile sponges and coral polyps

Recent Examples of sessile from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sessile.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of sessile

Latin sessilis of or fit for sitting, low, dwarf (of plants), from sessus, past participle of sedēre


Medical Dictionary

sessile

adjective ses·sile \ ˈses-īl , -əl \

medical Definition of sessile

1 : attached directly by a broad base : not pedunculated
  • a sessile tumor
2 : firmly attached (as to a cell) : not free to move about
  • sessile antibodies

Learn More about sessile


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

of the same or a similar kind or nature

Get Word of the Day daily email!

Test Your Vocabulary

May 2018 Words of the Day Quiz

  • spring-flowers
  • Which is a synonym of raillery?
Spell It

Can you spell these 10 commonly misspelled words?

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!