Meaning of letter card in English:

letter card

Pronunciation /ˈlɛtə kɑːd/

noun

  • 1A card marked with one or more letters of the alphabet, especially as used in literacy instruction.

  • 2A card used for correspondence, a postcard; specifically a card with a gummed edge which can be folded and sealed to serve in place of a letter and envelope.

    Letter cards were originally sold in the form of prepaid postcards; sealable versions were first adopted in Belgium in 1882, the United States in 1886, and Britain in 1892.

Origin

Early 19th century; earliest use found in The Leeds Mercury. From letter + card.