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sessile |
2 definitions found 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 1.6 [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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