1. A common rock-inhabiting fern of northern temperate regions having rusty-brown stipes and lanceolate pinnate fronds
   - rusty woodsia, oblong woodsia, Woodsia ilvensis

Type of: woodsia

• ratiocinator
• ration
• ration card
• ration out
• rational
• rational motive
• rational number
• rationale
• rationalisation
• rationalise
• rationalise away
• rationalism
• rationalist
• rationalistic
• rationality
• rationalization
• rationalize
• rationalize away
• rationally
• rationalness
• rationed
• rationing
• Ratitae
• ratite
• ratite bird