ri·par·i·an 
(rĭ-pârē-ən)
(rĭ-pârē-ən)adj.
Of, on, or relating to the banks of a natural course of water.
[From Latin rīpārius, from rīpa, bank.]
- ratiné
- ratio
- ratiocinate
- ratiocination
- ratiocinative
- ratiocinator
- ration
- rational
- rationale
- rational function
- rational horizon
- rationalism
- rationalist
- rationalistic
- rationalistically
- rationality
- rationalization
- rationalize
- rationalizer
- rationally
- rationalness
- rational number
- Rat Islands
- ratite
- rat kangaroo