"In Greek mythology, Silenus (/saɪˈliːnəs/; Ancient Greek: Σειληνός Seilēnos) was a companion and tutor to the wine god Dionysus. He is typically older than the satyrs ...
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of the Dionysian retinue (thiasos), and sometimes considerably older, in which case he may be referred to as a Papposilenus. The plural sileni refers to the mythological figure as a type that is sometimes thought to be differentiated from a satyr by having the attributes of a horse rather than a goat, though usage of the two words is not consistent enough to permit a sharp distinction.[citation needed]" - (en.wikipedia.org 25.12.2019)