hemichordate /ˌhɛmɪˈkɔːˌdeɪt/

• 1.  

  N（名词） any small wormlike marine animal of the subphylum Hemichordata (or Hemichorda), having numerous gill slits in the pharynx: phylum Chordata (chordates) 半索动物
• 2.  

  ADJ（形容词） of, relating to, or belonging to the subphylum Hemichordata 半索类的; 与半索类有关的; 属于半索类的