Unicode/Hanzi Search: U+6B43 (歃)

smear one\'s mouth with blood of a victim when taking an oath
Strokes (without radical) 9 Total Strokes 13
Mandarin reading shà xiá Cantonese reading saap3
Japanese on reading sou shou kou Japanese kun reading susuru
Korean reading sap Vietnamese reading

CEDICT Entries:

   [ shà ]    to drink
   [ shà xuè ]    to smear one's lips with the blood of a sacrifice as a means of pledging allegiance (old)
   [ shà xuè weí méng ]    to smear the lips with blood when taking an oath (idiom), to swear a sacred oath