tributary
tribu|tary /tr'ɪbjʊtəri, AM -teri/ (tributaries)
[N-COUNT] oft N n
A tributary is a stream or river that flows into a larger one.
...the Napo river, a tributary of the Amazon.
[N-COUNT] oft N n
A tributary is a stream or river that flows into a larger one.
...the Napo river, a tributary of the Amazon.