- the Roman god of doorways, passages, and bridges. In art he is depicted with two heads facing opposite ways
WordReference Random House Unabridged Dictionary of American English © 2026
Ja•nus
( jā′nəs),USA pronunciation n.
- Mythologyan ancient Roman god of doorways, of beginnings, and of the rising and setting of the sun, usually represented as having one head with two bearded faces back to back, looking in opposite directions.
- Astronomya moon of the planet Saturn, located just outside the rings.
- Latin, special use of jānus doorway, archway, arcade
Collins Concise English Dictionary © HarperCollins Publishers::
Janus /ˈdʒeɪnəs/ n
'Janus' also found in these entries (note: many are not synonyms or translations):