1. Tropical American fern with broad pinnae; widely cultivated
   - brittle maidenhair, brittle maidenhair fern

Type of: maidenhair, maidenhair fern

• copper nose
• copper oxide
• copper pyrites
• copper rockfish
• copper sulfate
• copper sulphate
• copper's nark
• copper-base alloy
• copper-bottom
• copper-bottomed
• copper-nickel
• copperas
• copperhead
• copperplate
• copperplate engraving
• coppersmith
• copperware
• coppery
• coppice
• Coppola
• copra
• copra oil
• Coprinaceae
• Coprinus
• Coprinus atramentarius