1. King of the Huns; the most successful barbarian invader of the Roman Empire (406-453)
   - Attila, Attila the Hun, Scourge of God

Type of: king, male monarch, Rex

• Rivera
• riverbank
• riverbed
• riverfront
• riverine
• riverside
• rivet
• rivet line
• riveter
• riveting
• riveting machine
• rivetter
• Riviera
• Rivina
• Rivina humilis
• rivulet
• rivulus
• Riyadh
• riyal
• riyal-omani
• rms
• Rn
• RNA
• RNA polymerase
• RNase