subeditor
noun
sub·ed·i·tor ˌsəb-ˈe-də-tər 
chiefly British
: copy editor
subedit
ˌsəb-ˈe-dət
transitive verb chiefly British subeditorial
ˌsəb-ˌe-də-ˈtȯr-ē-əl
adjective chiefly British 
Example Sentences
Recent Examples on the Web Iona Italia is a freelance writer and translator and the subeditor of Areo magazine. 
Iona Italia, Washington Examiner, 4 Mar. 2021 Nobody gets them right every time, but subeditors might consider letting enormous font-sizes shrink to accommodate more information. The Economist, 24 May 2018
Iona Italia, Washington Examiner, 4 Mar. 2021 Nobody gets them right every time, but subeditors might consider letting enormous font-sizes shrink to accommodate more information. The Economist, 24 May 2018 Word History
First Known Use
1819, in the meaning defined above