sessile

• POS: Adjective
• HYPHEN: ses=sile

CIDE DICTIONARY

sessile, a. [L. sessilis low, dwarf, from sedere, sessum, to sit: cf. F. sessile.].

•  Attached without any sensible projecting support.  [1913 Webster]
•  Resting directly upon the main stem or branch, without a petiole or footstalk; as, a sessile leaf or blossom.  [1913 Webster]
•  Permanently attached; -- said of the gonophores of certain hydroids which never became detached.  [1913 Webster]

OXFORD DICTIONARY

sessile, adj.
1 Bot. & Zool. (of a flower, leaf, eye, etc.) attached directly by its base without a stalk or peduncle.
2 fixed in one position; immobile.

Idiom

sessile oak = DURMAST.

Etymology

L sessilis f. sedere sess- sit