What 蟙 means
In 蟙䘃 it names a bat; alone, a Japanese spider crab.
A dictionary of regional words from China's Han dynasty, 《方言》, records 蟙䘃 as a bat name used in northern Yan, an ancient region. 《廣韻》, a dictionary arranged by character sounds, also records the compound. The 《說文》 text contains no entry for 蟙.
A rare, dictionary-level word with animal-name senses.
The bat sense belongs to 蟙䘃; the standalone dictionary sense is the crab.
What it means when someone sends it to you
2 readings蟙䘃 in a northern Yan passage
A historical regional name for a bat.
蟙 used alone in zoological text
Dictionary sense: Japanese spider crab.
Questions people ask
1Why does 蟙 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 蟙
Windows (Word)
Alt+XType 87D9, then Alt+X to get 蟙.
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 “cjk unified ideograph-87d9”.
Linux
Ctrl+Shift+UType 87d9, then Enter or Space.
HTML
蟙CSS
\87D9Pinyin
On a Chinese Pinyin keyboard, enter zhí and choose 蟙 if it appears; some input dictionaries omit rare characters.
Codes and encoding1 code points
HTML decimal
蟙
HTML hex
蟙
CSS content
content: "\87D9";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E8%9F%99
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.