English edit

Etymology edit

New Latin, from chil- (from Ancient Greek χεῖλος (kheîlos, lip; mouth of any animal: snout, beak)) + Ancient Greek -ῐον (-ion, diminutive suffix).[1]

Noun edit

cheilion (plural cheilions)

  1. The corner of the mouth (as used in cephalometry)

References edit

  1. ^ cheilion”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.