mx

/ˌɛm ˈɛks/
noun
  1. A gender-neutral title used instead of Mr., Mrs., Ms., or Miss.
    • The form allowed applicants to choose Mx. as their title.
    • Please address the letter to Mx. Smith, who prefers not to use a gendered title.
    • Mx. Johnson is the new teacher in room 204.
  2. Abbreviation for 'motocross': a sport involving off-road motorcycle racing.
    • He watches MX races every weekend on TV.
    • She started riding MX bikes when she was twelve.
    • The MX track was muddy after the rain.
What does "mx" mean? | whatsthatwordmean | whatsthatwordmean