Definitions
1.nounAny of very many chordate marine animals, of the subphyla Tunicata or Urochordata, including the sea squirts.
2.adjectiveOf or pertaining to these animals.
3.adjectiveEnclosed in a tunic or mantle; covered or coated with layers.
4.adjectiveHaving each joint buried in the preceding funnel-shaped one, as in certain antennae of insects.