a short piece of text placed under or next to a picture, map, or diagram that tells or explains what it shows
The magazine placed a funny caption below the cat photo.
Please read the caption under the map to understand the symbols.
✦ mid-17th century: from Latin caption- ‘taking, seizing’, from the verb capere ‘take’. The sense ‘heading, title’ arose in Scots law and later broadened to pictures and diagrams.
the words that appear on a screen showing what is being said or what sounds are happening, especially for people who are deaf or hard of hearing
I turned on the English captions so I could follow the movie better.
Videos on the site now include automatic captions for the hearing-impaired.
to add a short piece of explanatory text to a picture, video, or other image
He captioned each holiday photo with a witty joke.
Could you caption this drawing before we publish it?