Cuirasier or Cuirassier: How To spell?
The word Cuirasier is misspelled against Cuirassier, a noun meaning "A soldier armed with a cuirass."
Cuirassier has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings cuira & ier which should not be misspelled with single 'S'
Wrong Spelling:  cuira-s-ier  Correct Spelling:  cuira-ss-ier 
Check more misspelled words of Cuirassier to spell it correct.