Mitrolleur or Mitrailleur: How To spell?
The word Mitrolleur is misspelled against Mitrailleur, a noun meaning "One who serves a mitrailleuse."
Word contains consecutive vowels 'AI' in between alphabets mitr & lleur is misspelled as 'O'Wrong Spelling:  mitr-o-lleur  Correct Spelling:  mitr-ai-lleur 
Check more misspelled words of Mitrailleur to spell it correct.