柳绵 (柳綿) liǔmián
          
              liǔmián 
              
              noun 
              catkin 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: Flowers on willows and related plants (Wang 2019, pp. 2-3)