/ raɪˈpeəriən; NAmE -ˈper-/ adjective [ usually before noun ]
1.
( technical ) growing in, living in, or relating to areas of wet land near to a river or stream
2.
( law ) on, near or relating to the bank of a river
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WORD ORIGIN
mid 19th cent.: from Latin riparius (from ripa bank) + -an .