caption
nounUK /ˈkæpʃən/
US /ˈkæpʃən/
Words that go under a picture to tell you about it.
The caption under the photo said, "Our trip to the zoo."
OTHER MEANINGS
2. The words shown at the bottom of a TV screen that show what people are saying.
I turned on the captions so I could read what the actors were saying.
3. A short title at the top of a page or document.
The caption at the top of the page read "Chapter One."
4. To write a caption for a picture or video.
She captioned the photo with a funny joke.