资料来源 : Webster's Revised Unabridged Dictionary (1913)

Ruminator \Ru"mi*na`tor\, n. [L.]
   One who ruminates or muses; a meditator.

资料来源 : WordNet®

ruminator
     n : a reflective thinker characterized by quiet contemplation
         [syn: {muser}, {muller}, {ponderer}]