Meaning of auld alliance in English:

auld alliance

Pronunciation /ˌɔːld əˈlʌɪəns/ /ˌəʊld əˈlʌɪəns/

noun

Scottish
  • The political and military alliance between Scotland and France which began formally with the treaty of 1295 between John Balliol and Philip IV of France, and was repeatedly renewed until 1560, during the reign of Mary, Queen of Scots; (also more generally) the traditional friendship between these two countries.

Origin

Mid 16th century. From auld, Scots variant of old + alliance.