IPA: /ˈkɔːrsmən/
KK: /kɔrsmən/
A person in the military, especially in the U.S. Navy or Marines, who is trained to provide medical care and first aid, particularly in combat situations.
The corpsman quickly attended to the injured soldiers on the battlefield.
Corpsman → It is formed from "corps" (from French *corps*, meaning body) and "man" (meaning a person). A corpsman is a person who serves in a body of troops, particularly in a medical capacity.
Think of a 'body' ('corps') and a 'person' ('man') — a corpsman is someone who serves in a medical role within a body of troops.