What 𮎐 means
Read 𮎐 as 船: it is an alternate written form.
A Japanese kanji reference lists the glyph as equivalent to 船. A collation note—a comparison between editions—for a Chinese Buddhist scripture records 𮎐 in a Song-dynasty witness (960–1279), where the Taishō Buddhist canon, a later edited collection (1924–1934), prints 船.
Why does 𮎐 show as a box?
Some fonts do not include a glyph for it.
This character is in CJK Unified Ideographs Extension F, a supplementary Han-character block, and fonts differ in how many of its characters they include. A font without this glyph may show an empty box; another font with coverage can display it.
Questions people ask
1Why does 𮎐 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 𮎐
𮎐\2E390Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.