Definition of "tunicate"

Any of very many chordate marine animals, of the subphyla Tunicata or Urochordata, including the sea squirts.  examples

Of or pertaining to these animals.  examples

(anatomy, botany) Enclosed in a tunic or mantle; covered or coated with layers.  quotations  examples

(zoology) Having each joint buried in the preceding funnel-shaped one, as in certain antennae of insects.