captions

noun
UK /ˈkæpʃənz/
US /ˈkæpʃənz/

Words that go under a picture to tell you what it is.

The photo had a caption that said 'Our trip to the zoo.'


OTHER MEANINGS

2. The words shown at the bottom of a TV or video screen that show what people are saying.

I turned on the captions so I could read what the actors said.

3. The words at the top of a page or article that tell you what it is about.

The caption at the top of the page said 'Chapter One.'

4. To write words under a picture or on a screen.

She captioned the photo with a funny joke.