Crawlway
Pit and crawlway are semantically related. in covered passageway topic. In some cases you can use "Pit" instead a noun "Crawlway".
Pit
Pit noun - A sunken area forming a separate space.
Cite this Source
Pit and Crawlway. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/crawlway/pit
Crawlway & Pit. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/crawlway/pit>.
Pit or Crawlway. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/crawlway/pit.
Google Ngram Viewer shows how "crawlway" and "pit" have occurred on timeline