A trail marker is an object used to mark a path or trail, usually for the purpose of navigation. The two crossword solutions for the term 'trail marker' are 'SCENT' and 'BLAZE'. A SCENT trail marker is an object that emits a smell, such as a pile of leaves or a scented candle, which can be used to mark a trail. A BLAZE trail marker is an object that has been marked with a bright color, such as a painted rock or a brightly colored flag, which can be used to mark a trail.