The Collaborative International Dictionary of English v.0.48:

Tralatitious \Tral`a*ti"tious\, a. [L. tralatitius,
   translatitius, tralaticius, translaticius. See Tralation.]
   1. Passed along; handed down; transmitted.
      [1913 Webster]

            Among biblical critics a tralatitious interpretation
            is one received by expositor from expositor. --W.
                                                  Withington.
      [1913 Webster]

   2. Metaphorical; figurative; not literal. --Stackhouse.
      [1913 Webster]

WordNet (r) 3.0 (2006):

tralatitious
    adj 1: having been passed along from generation to generation;
           "among Biblical critics a tralatitious interpretation is
           one received by expositor from expositor" [syn: handed-
           down, tralatitious]