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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 town Lights, 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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