underbar
verbEtymology From under- + bar.
1
To place a bar under (a symbol).
underbar
nounEtymology From under- + bar.
1
A bar placed under a symbol.
- ̲A is the letter A with an underbar.
2
Synonym of underscore.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.