Is “Waymark” a Scrabble word?
Yes
WAYMARK
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Waymark
noun
1.A sign or symbol marked in a prominent position in an off-road location to show the track of a footpath or route; fingerpost; guidepost; milestone.
2.A map coordinate stored within a satellite navigation system