native tongue

English

Etymology

From native +‎ tongue.

Noun

native tongue (plural native tongues)

  1. Synonym of native language.
    • 1913, Edgar Rice Burroughs, The Return of Tarzan, New York: Ballantine Books, published 1963, page 77:
      The Arabs came out of their goatskin tents, and surrounded the soldiers, asking many questions in the native tongue, for the soldiers were themselves natives.