Outer cover
Outer and outer cover are semantically related. In some cases you can use "Outer" instead a noun phrase "Outer cover".
Outer
Outer adjective - Situated on the outside or farther out.
Mutual synonyms
Cite this Source
Outer and Outer cover. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/outer_cover/outer
Outer cover & Outer. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/outer_cover/outer>.
Outer or Outer cover. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/outer_cover/outer.
Google Ngram Viewer shows how "outer cover" and "outer" have occurred on timeline