What means
It came from Sharp’s Japanese MZ display set.
The Sharp MZ-700, released in Japan in 1982, assigned the code F5 in its Japanese primary display table. Arranging block characters in a grid made semigraphics: simple screen pictures assembled from text characters. Unicode, the shared code system for text, proposed these characters in 2021 so older computer text could convert faithfully and emulators could display them.
Don't confuse it with
1Questions people ask
1Why does show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type
Windows (Word)
Alt+XType 1CC25, then Alt+X to get .
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “separated block quadrant-13”.
Linux
Ctrl+Shift+UType 1cc25, then Enter or Space.
HTML
𜰥CSS
\1CC25Codes and encoding1 code points
HTML decimal
𜰥
HTML hex
𜰥
CSS content
content: "\1CC25";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%9C%B0%A5
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.