What 吮 means
It means sucking with the mouth. Think of a baby nursing or drawing liquid through pursed lips; 吮 names that mouth action. The Han-era Shuowen Jiezi dictionary already lists it, glossing it as 欶 and explaining it with mouth radical 口 plus 允 for sound.
吮吸, 吮奶 and 吮血 stay literal; 吮痈舐痔 turns the action into an insult for servile flattery. Japanese kanji keeps suck and lick readings. It is plain typed text, not an emoji, so a blank box means a missing font.
Written and precise; compounds carry the context.
Read 吮痈舐痔 as an insult about servility, not neutral medical wording.
Who writes 吮
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Don't confuse it with
2Questions people ask
1Why does 吮 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 or find 吮
- Search it as
- shun · suck · sucking · sip · lick · shun3
- Shows up in
- Anything that takes text · its shape is whatever your font draws
吮\542ECodes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.






