Hypertext Webster Gateway: "sessile"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Sessile \Ses"sile\, a. [L. sessilis low, dwarf, from sedere,
sessum, to sit: cf. F. sessile.]
1. Attached without any sensible projecting support.
2. (Bot.) Resting directly upon the main stem or branch,
without a petiole or footstalk; as, a sessile leaf or
blossom.
3. (Zo["o]l.) Permanently attached; -- said of the gonophores
of certain hydroids which never became detached.
From WordNet (r) 1.7 (wn)
sessile
adj 1: (biology) permanently attached to a substrate; not free to
move about; "an attached oyster"; "sessile marine
animals and plants" [syn: {attached}] [ant: {vagile}]
2: (biology) attached directly by the base; not having an
intervening stalk; "sessile flowers"; "the shell of a
sessile barnacle is attached directly to a substrate"
[syn: {stalkless}] [ant: {pedunculate}]
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