Source
Source noun - A point or place at which something is invented or provided.
How words are described
Both words in one sentence
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And WWII-era fighter film The Dam Busters is the source for the trench run.
Source: Film / A New Hope - One strategy is to cross the firing trench at intervals, fighting through legions of enemies on either side; the other strategy is to destroy the cannon's energy source, which you reach before you're in firing range of the cannon itself.
Source: Corridor Cubbyhole Run
Cite this Source
Trench and Source. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/source/trench
Source & Trench. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/source/trench>.
Trench or Source. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/source/trench.
Google Ngram Viewer shows how "source" and "trench" have occurred on timeline