Drain
Drain noun - Emptying something accomplished by allowing liquid to run out of it.
Open drain and drain are semantically related. In some cases you can use "Open drain" instead a noun "Drain".
Open drain
Drain and open drain are semantically related. You can use "Drain" instead a noun phrase "Open drain".
Cite this Source
Open drain and Drain. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/drain/open_drain
Drain & Open drain. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/drain/open_drain>.
Open drain or Drain. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/drain/open_drain.
Google Ngram Viewer shows how "drain" and "open drain" have occurred on timeline