This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A sign or symbol marked in a prominent position in an off-road location to show the track of a footpath or route

n. A map coordinate stored within a satellite navigation system

n. A mark to guide in traveling.

n. A finger-post, guide-post, milestone, or the like.

"But these trees were not indigenous to southern England, and whilst self-seeded from their forebears, the originals were deliberately planted in a very dim and distant past to mark critical points on trackways, be it a crossroads, junction or simply to act as a waymark."

milestone    landmark    fingerpost    signpost   

waymarking