Boundary line
Boundary line noun - A line that indicates a boundary.
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Synonyms for Boundary line
Rail and boundary line are semantically related. In some cases you can use "Rail" instead a noun phrase "Boundary line".
Rail
Rail noun - A protective barrier consisting of a horizontal bar and its supports.
Boundary line and rail are semantically related. Sometimes you can use "Boundary line" instead a noun "Rail".
Cite this Source
Rail and Boundary line. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/boundary_line/rail
Boundary line & Rail. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/boundary_line/rail>.
Rail or Boundary line. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/boundary_line/rail.
Google Ngram Viewer shows how "boundary line" and "rail" have occurred on timeline