The definition of a caption is a heading or title, or words on a screen that communicate what is being said.
(noun)To caption is defined as to add a descriptive title or to add dialogue words on a screen.
(verb)See caption in Webster's New World College Dictionary
noun
Origin: ME capcioun < OFr capcion < L captio < pp. of capere, take: see have
transitive verb
See caption in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English capcioun, arrest
Origin: , from Old French capcion
Origin: , from Latin captiō, captiōn-
Origin: , from captus
Origin: , past participle of capere, to seize; see kap- in Indo-European roots
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