Sports A cross-country race in which competitors use a map and compass to find their way through unfamiliar territory.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "orienteering" in a sentence
"Some add in orienteering equipment (compass/maps, gps, etc.) which is fine, but if you're truly 'out there' lost or hurt the general first rule is stay right where you are - let SAR find you instead of guessing the way out."
""Some people call orienteering the thought sport," he said."
"Sports such as orienteering, cross-country skiing, and other popular outdoor activities that take place in the forests involve a relatively large proportion of people in Sweden."