mys·ti·cete  (mĭs'tĭ-sēt')  n. See baleen whale. [New Latin mysticētus, from Greek mustikētos, alteration of (ho) mūs to kētos, (the) whale (called) the mouse : mūs, mouse; see mūs- in Indo-European roots + kētos, whale.] mys'ti·ce'tous (-sē'təs) adj. |