切せっ歯し

noun

incisor; front tooth

Anatomical term for the cutting teeth at the front of the mouth, especially in humans. The cross-reference 門歯 is a synonym.

See also: 門歯

• 人にん間げんの切せっ歯しは食たべ物ものを噛かみ切きるのに適てきしている。

  Human incisors are suited for biting off food.

noun, noun or participle which takes 'suru', intransitive verb

grinding one's teeth; bruxism; gnashing of teeth

Refers to the act of grinding or clenching the teeth, often involuntarily or in anger. Can be used as a noun or with する to describe the action.

• ストレスで夜よ中なかに切せっ歯しすることがある。

  I sometimes grind my teeth at night due to stress.

• 怒いかりで切せっ歯ししながら彼かれは部屋へやを出でて行いった。

  Gnashing his teeth in anger, he left the room.