Oberon name of the king of the fairies, husband of Titania in Shakespeare's A Midsummer Night's Dream; originally Auberon, the king of the elves who in the medieval French poem uses his magic powers to help Huon of Bordeaux. The spelling Oberon is used in Lord Berners's translation of Huon de Bordeaux (c.1530). (See also Alberich.)

Oberon, or The Elf-King's Oath. Opera in 3 acts by Weber to Eng. lib. by J. R. Planché, after W. Sotheby's trans. (1798) of Wieland's poem Oberon (1780), which is based on the 13th-cent. Fr. chanson de geste, Huon de Bordeaux. Comp. 1825–6. Prod. London, CG 1826, cond. Weber; Leipzig 1826; NY 1828. Other operas on subject by Kunzen (Holger Danske, 1789) and P. Wranitzky (Oberon, König der Elfen, 1789).

Oberon (Uranus IV) One of the major satellites of Uranus. Its radius is 761.4 km; mass 30.14 × 10²⁰ kg; mean density 1630 kg/m³; albedo 0.24. The surface is extensively cratered, the craters being surrounded by bright ejecta. Near the centre of Oberon there is a large crater with a bright central outcrop and background of dark material.

Oberon In medieval folklore, the king of the fairies and husband of Titania Perhaps the most familiar use of the character is in Shakespeare's A Midsummer Night's Dream.

OBERON A programming language developed as a successor to Modula 2.