1. Made of horn (or of a substance resembling horn)
   - corneous, horny

See also: hard

• Rockingham
• Rockingham podocarp
• rocklike
• rockling
• rockrose
• rockrose family
• rockslide
• rockweed
• Rockwell
• Rockwell Kent
• rocky
• Rocky Marciano
• Rocky Mountain bee plant
• Rocky Mountain bighorn
• Rocky Mountain bristlecone pine
• Rocky Mountain dogbane
• Rocky Mountain goat
• Rocky Mountain jay
• Rocky Mountain National Park
• Rocky mountain pinon
• Rocky Mountain sheep
• Rocky Mountain spotted fever
• Rocky Mountain whitefish
• Rocky Mountains
• Rocky Mountains cherry