silenus

noun, often capitalized
si·​le·​nus | \ sī-ˈlē-nəs How to pronounce silenus (audio) \
plural sileni\ sī-​ˈlē-​ˌnī How to pronounce sileni (audio) \

Definition of silenus

: a minor woodland deity and companion of Dionysus in Greek mythology with a horse's ears and tail

First Known Use of silenus

1542, in the meaning defined above

History and Etymology for silenus

Latin, from Greek silēnos, from Silēnos foster father of Dionysus

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