metalhead metalhead /ˈmɛtəlhɛd/

noun

1. A fan of heavy metal music  ( metalhead )
   a fan of heavy metal music
    The concert was packed with metalheads wearing black shirts and leather jackets.
   The concert was packed with metalheads wearing black shirts and leather jackets.
   
   

 rosin rosin /ˈrɑːzən/

noun

1. Any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules  ( resin , rosin )
   any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules
   
   

verb

1. Rub rosin onto  ( rosin )
   rub rosin onto
    Rosin the violin bow
   rosin the violin bow
   

 Ixodes pacificus Ixodes pacificus /ɪkˈsoʊdiːz pəˈsɪfɪkəs/

noun

1. A tick that feeds on dusky-footed wood rat and bites humans; principal vector for Lyme disease in western United States especially northern California  ( Ixodes pacificus , western black-legged tick )
   a tick that feeds on dusky-footed wood rat and bites humans; principal vector for Lyme disease in western United States especially northern California
   
   

 Fasciola hepatica Fasciola hepatica /fəˈsiːoʊlə hɪˈpætɪkə/

noun

1. Flatworm parasitic in liver and bile ducts of domestic animals and humans  ( Fasciola hepatica , liver fluke )
   flatworm parasitic in liver and bile ducts of domestic animals and humans
    Many farmers deworm their cattle to protect them from parasites like the liver fluke.
   Many farmers deworm their cattle to protect them from parasites like the liver fluke.