Wikidiffcom vs Tunicate - What's the difference?

As a noun tunicate is

any of very many chordate marine animals, of the subphylum tunicata'' or ''urochordata , including the sea squirts.

of or pertaining to these animals.

Wikidiffcom has no English definition. It may be misspelled.

(wikipedia tunicate)

(en noun)

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

(-)

Of or pertaining to these animals.

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

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

* bitunicate * fissitunicate * prototunicate * unitunicate