Janus(redirected from Ianus)
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n. Roman Mythology
The god of gates and doorways, depicted with two faces looking in opposite directions.
(Classical Myth & Legend) the Roman god of doorways, passages, and bridges. In art he is depicted with two heads facing opposite ways
[C16: from Latin, from jānus archway]
(Celestial Objects) a small inner satellite of Saturn
a Roman god of doorways and beginnings, usu. represented as having a head with two faces looking in opposite directions.
[< Latin, special use of jānus doorway, archway, arcade]