sessile

adjective ses·sile \ ˈse-ˌsī(-ə)l , -səl \

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

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