Ideographic: To laugh 蚩 out loud 口; 蚩 also provides the pronunciationRadical:

meaning for chī:

  • - laugh at
  • - jeer
  • - scoff at
  • - sneer atto snort disdainfully
  • - to scoff at
  • - to turn up one's noseto sneer atsee 嗤之以鼻