唇しん頭とうしんとうMeanings1nountip of the lipsrare termRare anatomical or poetic term for the edge or tip of the lips. Not used in everyday conversation.「唇しん頭とう」は、唇くちびるの先せん端たんを指さす稀まれな言こと葉ばだ。「唇頭」 is a rare word that refers to the tip of the lips.
