The Collaborative International Dictionary of English v.0.48:

Ear-minded \Ear"-mind"ed\, a. (Physiol. Psychol.)
   Thinking chiefly or most readily through, or in terms related
   to, the sense of hearing; specif., thinking words as spoken,
   as a result of familiarity with speech or of mental
   peculiarity; -- opposed to eye-minded.
   [Webster 1913 Suppl.]