Caution Sign
Caution Sign has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.
- Alt code
- None
- HTML entity
- ☡
- Unicode
- U+2621
About this symbol
☡, a Z-shaped bend, is the caution sign used by Bourbaki, the group of mathematicians writing under one name, in the margins of their books to warn readers of a dangerous turn in the argument. Donald Knuth borrowed the idea for his own books on TeX.
Unicode facts
- Official name
- CAUTION SIGN
- Type
- Symbol
- Unicode block
- Miscellaneous Symbols
- Unicode group
- Warning signs
- Added in
- Unicode 1.1 (1993)
Click the symbol or any value at the top of the page to copy it. See the full Weather, Zodiac, Chess and Card Symbols chart for related characters.