Meaning of BOUNDARY in English

BOUNDARY

(boundaries)

1.

The ~ of an area of land is an imaginary line that separates it from other areas.

...the Bow Brook which forms the western ~ of the wood...

Drug traffickers operate across national boundaries.

= border, frontier

N-COUNT: oft N of/between n

2.

The boundaries of something such as a subject or activity are the limits that people think that it has.

The boundaries between history and storytelling are always being blurred and muddled.

...extending the boundaries of press freedom.

N-COUNT: usu pl, oft N of/between n

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