rumination rumination /ˌruːmɪˈneɪʃən/

noun

1. Regurgitation of small amounts of food; seen in some infants after feeding  ( rumination )
   regurgitation of small amounts of food; seen in some infants after feeding
   
2. (of ruminants) chewing (the cud)  ( rumination )
   (of ruminants) chewing (the cud)
    Ruminants have remarkable powers of rumination
   ruminants have remarkable powers of rumination
   
3. A calm, lengthy, intent consideration  ( reflexion [British] , rumination , thoughtfulness , contemplation , musing , reflection )
   a calm, lengthy, intent consideration
    She sat in reflection, contemplating her life choices.
   She sat in reflection, contemplating her life choices.