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厴

cjk unified ideograph-53b4

CJK Unified Ideograph-53B4

1461/20992

厴 (yǎn) names an animal's cover: the plate under a crab or the lid that closes a snail shell. It is a specialized Chinese character, not a reaction. Early Chinese dictionaries record the crab sense, later sources extend it to the snail's operculum.

Text symbol

What 厴 means

An animal's hard cover, not a feeling.

For the crab underside sense, the earliest dictionary trail I could verify is 《廣韻》 and 《類篇》; 《說文》 does not record 厴. As of 2026, that points to a gradual specialist term, not an invented sign with a known creator.

By 1712, Japanese reference material used 厴 for a gastropod shell lid, read へた. The simplified form is 厣.

Specialized and anatomical: it names a cover, not an emotion or reaction.

Sent alone, it reads like an unexplained dictionary term.

Who writes 厴

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Don't confuse it with

1

How to type or find 厴

Also called
厣 · へた
Search it as
yǎn · yan · 蟹脐 · 蟹腹 · 螺厣 · operculum · 螺盖
Shows up in
Anything that takes text · its shape is whatever your font draws
Windows (Word)
⎇Alt+XType 53B4, then AltX to get 厴.
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-53b4”.
Linux
⎈Ctrl+⇧Shift+UType 53b4, then Enter or Space.
HTML
厴
CSS
\53B4
Pinyin
Enter yan or yan3, then select 厴.
Cangjie
Try 一大田中 for the Cangjie code if supported.
Codes and encoding1 code points
HTML decimal
厴
HTML hex
厴
CSS content
content: "\53B4";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E5%8E%B4
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.

Families this belongs to

2

Chinese characters99,354 symbols

Chinese, Japanese & Korean121,370 symbols