Definitions

1. noun

a person’s signature, especially one signed as a souvenir, often on an item such as a photograph, book, or other personal item

“The pop star’s autograph was highly sought after by her fans.”

2. verb

to sign (something, especially an item) with one’s signature, especially as a souvenir

“She autographed the book for the young reader.”

3. noun

a person’s signature or handwriting, especially in the context of forgery

“The expert analyzed the autograph to determine if it was genuine.”