Source : Webster's Revised Unabridged Dictionary (1913)

Shinto \Shin"to\, Shintiism \Shin"ti*ism\, n. [Chin. shin god +
   tao way, doctrine.]
   One of the two great systems of religious belief in Japan.
   Its essence is ancestor worship, and sacrifice to dead
   heroes. [Written also {Sintu}, and {Sintuism}.]

Source : WordNet®

Shinto
     adj : relating to or characteristic of Shintoism; "Shinto temples"
           [syn: {Shintoist}, {Shintoistic}]

Shinto
     n 1: the native religion and former ethnic cult of Japan
     2: the ancient indigenous religion of Japan lacking formal
        dogma; characterized by a veneration of nature spirits and
        of ancestors [syn: {Shintoism}]