noun, noun or participle which takes 'suru', intransitive verb
Refers to the act of taking one's own life by hanging. Can be used as a noun or with する to describe the action.
彼は首吊り自殺を図ったが、未遂に終わった。
He attempted suicide by hanging, but it ended in failure.
その事
The incident was determined to be a suicide by hanging.