Source : Webster's Revised Unabridged Dictionary (1913)

Urochorda \U`ro*chor"da\, n. pl. [NL. See {Urochord}.]
   (Zo["o]l.)
   Same as {Tunicata}.

Source : WordNet®

Urochorda
     n : tunicates [syn: {Urochordata}, {subphylum Urochordata}, {subphylum
         Urochorda}, {Tunicata}, {subphylum Tunicata}]