from The Century Dictionary and Cyclopedia

  • n. In Lamarck's classification (1801–12), one of three orders of Annelida, distinguished from Apoda and Antennata, and containing the sedentary or tubicolous worms: opposed to Errantia.
  • n. 2. The sedentary spiders: same as Sedentariæ.
  • n. 3. A suborder of peritrichous ciliate infusorians, containing those which are sedentary, as the Vorticellidæ: distinguished from Natantia.


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