1. [US] A piece of mail returned as undeliverable 
2. A female water-elf

Derived forms: nixies

Encyclopedia: Nixie

• Cyathea medullaris
• Cyatheaceae
• Cybele
• cyber-
• cyber-terrorism
• cyber-terrorist
• cyberart
• cybercafe
• cybercrime
• cyberculture
• cybernate
• cybernation
• cybernaut
• cybernetic
• cybernetics
• cyberphobia
• cyberpunk
• cybersex
• cybershop
• cyberspace
• cybersquatter
• cybersquatting
• cyberstore
• cyberwar
• cyborg