Definition of American Express in English:

American Express

noun

  • Attributive Designating a charge card issued by the American Express company.

Origin

1950s; earliest use found in The Bridgeport Telegram. From the name of the American ExpressCo., provider of the credit and charge cards.

Pronunciation

American Express

/əˌmɛrɪk(ə)n ɪkˈsprɛs//əˌmɛrɪk(ə)n ɛkˈsprɛs/