Definition of Janus in English:

Janus

proper noun

Roman Mythology
  • An ancient Italian deity, guardian of doorways and gates and protector of the state in time of war. He is usually represented with two faces, so that he looks both forwards and backwards.

    equivocator, trimmer, vicar of bray
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Pronunciation:

Janus

/ˈdʒeɪnəs/