1. A lady fern with deeply cut leaf segments; found in the Rocky Mountains
   - Athyrium distentifolium

Type of: Athyrium filix-femina, lady fern

• rapprochement
• rapscallion
• rapt
• raptly
• raptness
• raptor
• Raptores
• raptorial
• raptorial bird
• rapture
• rapturous
• rapturously
• raptus
• raptus hemorrhagicus
• rara avis
• rare
• rare bird
• rare earth
• rare-earth element
• rare-roasted
• rarebit
• raree-show
• rarefaction
• rarefied
• rarefy