A surprise ending is the signature of an O. Henry short story.
An actor's signature mannerism, a restaurant's signature entree.
When you sign your name on a piece of paper, this is an example of your signature.
When you have a dance move that everyone attributes to you, this is an example of a signature dance move.
Rabbit in mustard sauce is my signature dish.
Origin of signature
- French from Old French from Medieval Latin signātūra from Latin signātus past participle of signāre to mark from signum sign sign
From American Heritage Dictionary of the English Language, 5th Edition
- From French signature, from Latin signatura, future passive periphrastic of verb signare, "to sign", from signum, "sign", + -tura, feminine of -turus, future passive periphrastic suffix.