noun, plural oars·men.
Examples from the Web for oarsman
The anglers skiff had in it only two—himself and his oarsman.Gwen Wynn|Mayne Reid
Though Lever had grown very corpulent, he had lost none of his cunning as a swimmer or as an oarsman.Charles Lever, His Life in His Letters, Vol. I (of II)|Edmund Downey
When in that position a sculler is allowed to do that which an oarsman must not, viz.Rowing|Rudolf Chambers Lehmann
Our oarsman was a woman, 368 who, besides the trifle of rowing our boat up the stream, had a baby strapped on her back!From Egypt to Japan|Henry M. Field
No dimensions are given; but, as very nearly three feet are required for one oarsman, it is probable that the boat would be 25ft.