milestone

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milestone

a stone pillar that shows the distance in miles to or from a place

milestone, milepost

A marker showing the distance in miles from a designated location; before the 19th century, such markers were especially helpful to those traveling between outlying communities.
References in periodicals archive ?
The Challenger record maybe sounds more spontaneous than Milemarker records do, and in a certain way it was, but in terms of the technical execution it's kind of the opposite,"
For more information on the new MileMarker Card program, contact GE Consumer Finance at 1-888-995-9339.
The telescope's sharper vision will enable astronomers to image Cepheid variable stars, which serve as cosmic milemarkers, in galaxies more distant from Earth, providing a better estimate of the size and age of the universe, he says.