U+6440 "摀" CJK Unified Ideograph-# Unicode Character

U+6440 "摀" CJK Unified Ideograph-# is a Chinese character that primarily means "to cover" or "to conceal" and is used in both modern and classical Chinese texts. It combines the "扌" (hand) radical with the phonetic component "屋," reflecting its association with the action of covering something with the hand or hiding it from view. This character appears in contexts such as covering one's mouth while coughing or laughing, as in the expression "摀嘴," and it is also sometimes used interchangeably with the character "捂" in certain regional or historical usage. Its standard form is recognized across the CJK (Chinese, Japanese, Korean) unified ideograph set, ensuring consistent representation in digital text across East Asian languages.

General Properties

Code Point	U+6440
Version Added	1.1
Name	CJK Unified Ideograph-#
Block	CJK Unified Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	摀
HTML Hex Encoding	摀
UTF-8 Encoding	0xE6 0x91 0x80
UTF-16 Encoding	0x6440
UTF-32 Encoding	0x00006440
C/C++/Java Escape	\u6440

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Script	Han
Script Extensions	Han
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	OLetter
Ideographic	Yes
Unified Ideograph	Yes

Unihan Properties

kBigFive	DDB3
kCCCII	223353
kCNS1986	2-4339
kCNS1992	2-4339
kCangjie	QHRF
kCantonese	wu2
kDefinition	to cover with the hand; to hide
kEACC	223353
kFenn	253D
kFennIndex	609.05
kFourCornerCode	5702.7
kHanYu	31935.020
kHanyuPinyin	31935.020:wǔ
kIICore	CT
kIRGHanyuDaZidian	31935.020
kIRGKangXi	0449.081
kIRG_GSource	GE-3A69
kIRG_HSource	HB2-DDB3
kIRG_JSource	JMJ-012664
kIRG_TSource	T2-4339
kJapanese	ウ
kKangXi	0449.081
kMandarin	wǔ
kMatthews	7169
kMojiJoho	MJ012664
kMorohashi	12555
kPhonetic	1459
kRSUnicode	64.10
kSimplifiedVariant	"𰓆" U+304C6 CJK Unified Ideograph-#
kSMSZD2003Index	263.16
kSMSZD2003Readings	wǔ粵ng6
kTotalStrokes	13
kUnihanCore2020	HMT
kXHC1983	1222.021:wǔ