silenus n 1: any of the minor woodland deities who were companions of Dionysus (similar to the satyrs) 2: the chief satyr in the service of Bacchus; father of Dionysus; usually depicted as drunk and jolly and riding a donkey
Silenus \Si*le"nus\, n. [L. Silenus the tutor and attendant of Bacchus.] (Zool.) See {Wanderoo}. [1913 Webster]
Wanderoo \Wan`der*oo"\, n. [Cingalese wanderu a monkey.] (Zool.) A large monkey ({Macacus silenus}) native of Malabar. It is black, or nearly so, but has a long white or gray beard encircling the face. Called also {maha}, {silenus}, {neelbhunder}, {lion-tailed baboon}, and {great wanderoo}. [Written also {ouanderoo}.] [1913 Webster] Note: The name is sometimes applied also to other allied species. [1913 Webster]