noun
- any of a series of posts set up to mark distance by miles, as along a highway, or an individual post showing the distance to or from a place.
- a notable point or significant event in the progress or development of something; milestone.
noun
- horse racing a marking post on a racecourse a mile before the finishing line
- mainly US and Canadian a signpost that shows the distance in miles to or from a placeAlso called (esp Brit): milestone