IPA: /ˈɔːrz.mən/
KK: /ˈɔrzˌmæn/
A person, usually a man, who rows a boat, particularly in a competitive setting.
The oarsman skillfully navigated the boat through the rough waters during the race.
Oarsman → It is formed from "oar" (from Old English "ār", meaning a tool for rowing) and "-sman" (meaning a person who). An oarsman is a person who uses an oar to row a boat.
Think of someone using an 'oar' — that's the tool for rowing — and the '-sman' just means a person. An oarsman is someone who rows using an oar.