cross country

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

• noun A running sport popular in US high schools, colleges, etc. where participants race over varying terrain (e.g. golf courses, roads, etc.) in approximately 5 - 10K races. Abbreviated XC.
• noun A phase of the equestrian sport of three day eventing, which the horse and rider travel over varied terrain and jump natural obstacles.
• noun Flight between two points or aerodromes using navigational techniques.