1. Of or relating to birds of a particular region or period
   - avifaunal

See also: avifauna

• Copernicia
• Copernicia alba
• Copernicia australis
• Copernicia cerifera
• Copernicia prunifera
• Copernicus
• copesetic
• copesettic
• copestone
• copier
• copilot
• coping
• coping saw
• coping stone
• copious
• copiously
• copiousness
• coplanar
• Copland
• Copley
• copolymer
• copolymerise
• copolymerize
• copper
• copper beech