a small piece of information about something
The reporter asked the police officer for more details about the crash.
Please send me every detail of the plan by tonight.
✦ Late Middle English from French détail, from détailler ‘cut up’, based on tail ‘cut’
past tense and past participle of detail: to describe or list something thoroughly and specifically.
The journalist detailed the events of the accident in her article.
The teacher detailed the homework instructions on the board.
✦ From French “détailler” meaning “cut in pieces” or “itemize,” entering English in the 17th century.