sessile
adjective
ses·sile
| \ ˈse-ˌsī(-ə)l
, -səl\
, -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
Examples of sessile in a Sentence
Recent Examples on the Web
Jellyfish begin their lives much like their cousins, as sessile polyps anchored to the seafloor, scrounging for food in the passing currents. — Quanta Magazine, "Jellyfish Genome Hints That Complexity Isn’t Genetically Complex," 8 Jan. 2019 Well, the sessile oak sapling—from Belleau, the French site of a World War I battle—is no longer on the White House lawn. — David Meyer, Fortune, "Why the Tree Emmanuel Macron Gifted to Trump Disappeared From the White House Lawn," 30 Apr. 2018 Another factor, Monterro-Serra notes, is that these sessile species are clonal. — National Geographic, "Why This Animal Can Live for Over 500 Years," 31 Mar. 2018These 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.
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More Definitions for sessile
sessile
adjective
ses·sile
| \ ˈses-īl
, -əl
\
, -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