螯肢 áozhī
          
              áozhī 
              
              proper noun 
              Chelicerata 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain: Zoology 
              
              
                , Concept: Subphylum 亚门
              
              
              
                Notes: Includes spiders and some other invertebrates (Wikipedia '螯肢亞門')