sīˈlēnəs noun
( plural sile·ni -ēˌnī)
Usage: often capitalized
Etymology: Latin, from Greek silēnos, from Silēnos Silenus, foster father and companion of Dionysus
: a minor woodland deity of ancient Greek mythology having usually human form but with a horse's ears and tail and occasionally with the legs of a horse or goat and being one of the companions of Dionysus but usually distinguished from a satyr by being always old, frequently bald, and always bearded