Semark or Seamark: How To spell?
The word Semark is misspelled against Seamark, a noun meaning "Any elevated object on land which serves as a guide to mariners; a beacon; a landmark visible from the sea, as a hill, a tree, a steeple, or the like."
The word Semark is misspelled against Seamark, a noun meaning "Any elevated object on land which serves as a guide to mariners; a beacon; a landmark visible from the sea, as a hill, a tree, a steeple, or the like."