mother tongue

  1. Noun.  The language one first learned; the language one grew up with; one's native language.
  2. Noun.  The language spoken by one’s ancestors.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.