Verb ruminate has 2 senses
  1. ruminate - chew the cuds; "cows ruminate"
    --1 is one way to
    eat
    Derived forms: noun rumination2, noun rumen1, noun ruminant1
    Sample sentence:
    The animals ruminate
  2. chew over, think over, meditate, ponder, excogitate, contemplate, muse, reflect, mull, mull over, ruminate, speculate - reflect deeply on a subject; "I mulled over the events of the afternoon"; "philosophers have speculated on the question of God for thousands of years"; "The scientist must stop to observe and start to excogitate"
    --2 is one way to think, cogitate, cerebrate
    Derived forms: noun rumination1, noun ruminator1
    Sample sentence:
    Somebody ----s PP
,
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