Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation motocross

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The ISO 3166-1 two-letter (alpha-2) code for Mexico.
  • noun A Roman numeral representing the number one thousand and ten (1010).
  • abbreviation philately on early British stamps, Maltese Cross cancellation mark.
  • abbreviation Internet mail exchanger

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Abbreviation and respelling of motocross using the letter X to represent the word cross.]

Examples

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