catfish

n (pl unchanged 复数不变) large (usu freshwater) fish with whisker-like feelers round its mouth 鲶鱼.

catch-all, catcher, catching, catchment area, catchpenny, catchphrase, catchword, catchy, catechism, catechize, catechise, categorical, categorically, categorize, categorize, -ise, category, cater, caterer, catering, caterpillar, caterwaul, catgut, Cath, catharsis, cathartic, cathedral, Catherine wheel, catheter, catheterize, -ise, cathode, cathode ray, Catholic, Catholicism, catholicity, catkin, catmint, catnap, catnip, cats-paw, catsuit, catsup,