noun
overline; overscore; overbar
A horizontal line drawn above text, used in typography, mathematics, or proofreading. The Japanese term 上線 is a synonym.
See also: 上線
この記号の上にオーバーラインを引いてください。
Please draw an overline above this symbol.
Synonym meaning 'overline'; 上線 is the native Japanese term, while オーバーライン is a loanword from English.
Borrowed from English 'overline'.