put away in WordNet English dictionary

1. throw or cast away
   "Put away your worries"
   discard  fling  toss  toss out  toss away  chuck out  cast aside  dispose  throw out  cast out  throw away  cast away  put away 
   
2. lock up or confine, in or as in a jail
   "The suspects were imprisoned without trial"; "the murderer was incarcerated for the rest of his life"
   imprison  incarcerate  lag  immure  put behind bars  jail  jug  gaol  put away  remand 
   
3. place in a place where something cannot be removed or someone cannot escape
   "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe"
   lock in  lock away  lock  put away  shut up  shut away  lock up 
   
4. turn away from and put aside, perhaps temporarily
   "it's time for you to put away childish things"
   put away  put aside 
   
5. stop using
   "the children were told to put away their toys"; "the students put away their notebooks"
   put away  put aside 
   
6. eat up; usually refers to a considerable quantity of food
   "My son tucked in a whole pizza"
   tuck in  tuck away  put away 
   
7. kill gently, as with an injection
   "the cat was very ill and we had to put it to sleep"
   put away  put to sleep 
   

put away in English Wiktionary