Definition from Wiktionary, the free dictionary
riverman (plural rivermen)
- A man who lives or works on a river.
1913, Harry Lincoln Sayler, On the Edge of the Arctic:
- It was curious to note the skill with which the veteran riverman allowed the current to carry his boats on their way, and the ease with which they were finally drawn in to the bank opposite the freight cars.
1922, Emerson Hough, The Young Alaskans on the Missouri:
- At last they lay alongside a little landing to which a houseboat was moored, occupied by a riverman whom Uncle Dick seemed to know.