茨菰 cígū
          
              cígū 
              
              noun 
              arrowhead 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain: Botany 
              
              
                , Concept: Plant 植物
              
              
              
                Notes: Species: Sagittaria subulata; a water plant (CC-CEDICT '茨菰')