ses·sile /ˈsɛˌsaɪl, səl/
 (a.)無柄的,固著的


 ses·sile /ˈsɛsaɪl, əl/ 形容詞
 (拉sessilis)無柄的,無腹柄的,固著的,無柄的,座生的,無蒂的,固定的


 Ses·sile a.
 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. Zool. Permanently attached; -- said of the gonophores of certain hydroids which never became detached.

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 sessile
      adj 1: permanently attached to a substrate; not free to move about;
             "an attached oyster"; "sessile marine animals and
             plants" [syn: attached] [ant: vagile]
      2: 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]