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English definition of “boundary”

boundary

noun [C]
 
 
/ˈbaʊndəri/
LINE a line that divides two areas or forms an edge around an area: The mountains mark the boundary between the two countries.Territorial boundaries
LIMIT a limit: Such violence is beyond the boundaries of civilized conduct.Range and limits
(Definition of boundary from the Cambridge Learners Dictionary © Cambridge University Press)
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