What ㌴ means
It labels a bushel, a volume measure used for grain.
Japanese square word signs fit multi-syllable Katakana (the Japanese syllabary) into one cell, as wide as an ordinary Japanese character. Here, that spelling is ブッシェル. ㌴ expands to ブッシェル in some text processing.
The family entered Japanese computer-text standards through JIS C 6226, first issued in 1978 and later renamed JIS X 0208.
A specialized Japanese typographic unit label.
Drift: In 2018, a Japanese tech feature described people stringing these signs online for novelty and found few examples in ordinary prose.
Don't confuse it with
4Questions people ask
1Why does ㌴ 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 ㌴
㌴\3334Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.