overscore

/ˈoʊvərˌskɔr/
verb
  1. To draw a line above (a character, word, or symbol), often to indicate emphasis, a mathematical vinculum, or a repeating decimal.
    • The editor used a red pen to overscore the words that needed correction.
    • You can overscore the letter to show it is a variable in the equation.
    • In the math problem, the teacher asked us to overscore the repeating digit.
noun
  1. A line drawn above a character, word, or symbol.
    • The student added an overscore to the abbreviation to show it was a contraction.
    • In some fonts, an overscore is used instead of an underline for certain symbols.
    • The overscore above the number indicates it repeats forever.
What does "overscore" mean? | whatsthatwordmean | whatsthatwordmean