n. 1 a a place at which advice or prophecy was sought from the gods in classical antiquity. b the usu. ambiguous or obscure response given at an oracle. c a prophet or prophetess at an oracle. 2 a a person or thing regarded as an infallible guide to future action etc. b a saying etc. regarded as infallible guidance. 3 divine inspiration or revelation. 4 (Oracle) Brit. propr. a teletext service provided by Independent Television.
[ ME f. OF f. L oraculum f. orare speak ]