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English definition of “milestone”


noun [C] (STONE/POST)    /ˈmaɪl.stəʊn/ US  /-stoʊn/ (UK also milepost)
a stone or post at the side of the road that shows the distance to various places, especially to the nearest large townLights, signs and markings on roads
(Definition of milestone noun (STONE/POST) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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