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What does XO stand for?

XO stands for Crossover Track (railroads)

This definition appears rarely and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

See other definitions of XO

Samples in periodicals archive:

Labrinth Last Time THE ultimate crossover track, Labrinth's synth-pop lift from his Electronic Earth album is feel-good gold.
Content on this new version of Arabian Nights continues again to be even stronger with some of the finest chillout tunes and breath taking crossover tracks from Arabic and International artists.
Individually they have consistently impressed, creating the sort of crossover tracks you'd just as easily hear on the floor of Body & SOUL as Bedrock.