Sessile
WordNet
adjective
(1) Attached directly by the base; not having an intervening stalk
"Sessile flowers"
"The shell of a sessile barnacle is attached directly to a substrate"
(2) Permanently attached to a substrate; not free to move about
"An attached oyster"
"Sessile marine animals and plants"
WiktionaryText
Etymology
From Neo-Latin sessilis, literally sitting, from sessus, perfect passive participle of verb sedēre, sit, + adjective suffix -ilis. Note: similar etymology as session.
Adjective
- permanently attached to a substrate; not free to move about; "an attached oyster"
- attached directly by the base; not having an intervening stalk; "a sessile leaf"
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