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tunicate

adjective

  1. Bot. of or covered with concentric layers or tunics, as an onion
  2. Zool. having a tunic or mantle
Also tunicated

noun

any of a subphylum (Tunicata) of solitary or colonial sea chordates, having a saclike body enclosed by a thick tunic, including the salps and ascidians

See tunicate in American Heritage Dictionary 4

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