IPA: /ˌkjʊəˈræsɪə/
KK: /kjuːəˈræsɪə/
A soldier on horseback who wears protective armor, especially a breastplate.
The cuirassier charged into battle, his armor shining in the sunlight.
Cuirassier → The word is derived from "cuirasse" (from Old French, meaning breastplate) and the suffix "-ier" (meaning one who). A cuirassier is a soldier who wears a breastplate, typically a cavalryman in armor.
Think of a soldier who wears a 'breastplate' ('cuirasse') — the '-ier' indicates that this person is one who wears it. This helps you remember that a cuirassier is a soldier equipped with a breastplate.