IPA: /ˈɑːrmər/
KK: /ˈɑːrmər/
A person who makes, repairs, or maintains weapons and armor, especially in a military context.
The armorer inspected the soldiers' weapons before the training exercise.
Armorer → It is formed from "armor" (from Old French *armure*, meaning defensive covering) and "-er" (meaning a person who). An armorer is a person who makes or repairs armor.
Think of someone who creates or repairs protective gear ('armor') — the '-er' indicates that this person is involved in that work.