WordWeb Online

1. The legendary hero of an anonymous Old English epic poem composed in the early 8th century; he slays a monster and becomes king but dies fighting a dragon
    
2. (computing) type of parallel computing cluster made from many cheap computer units in a network
   - Beowulf cluster

Type of: character, cluster, computer cluster, fictional character, fictitious character

Encyclopedia: Beowulf, the Monsters and the Critics