duck in WordNet English dictionary

1. avoid or try to avoid fulfilling, answering, or performing (duties, questions, or issues)
   "He dodged the issue"; "she skirted the problem"; "They tend to evade their responsibilities"; "he evaded the questions skillfully"
   hedge  fudge  evade  put off  circumvent  parry  elude  skirt  dodge  duck  sidestep 
   
2. dip into a liquid
   "He dipped into the pool"
   dip  douse  duck 
   
3. to move (the head or body) quickly downwards or away
   "Before he could duck, another stone struck him"
   duck 
   
4. submerge or plunge suddenly
   duck 
   

1. small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
   duck 
   
2. a heavy cotton fabric of plain weave; used for clothing and tents
   duck 
   
3. flesh of a duck (domestic or wild)
   duck 
   
4. (cricket) a score of nothing by a batsman
   duck  duck's egg