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English definition of “line”

line

noun [C] (EDGE)   /lɑɪn/
a real or imaginary mark that forms the edge , border , or limit of something: The police caught him before he crossed the state line. A line is also a mark on a sports field which shows where things can or cannot happen , or which measures the field : the foul line the 50-yard line the free-throw line
(Definition of line noun (EDGE) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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