An authority on Celtic languages and literature.

The Goidelic language group.

A cultivar of lettuce harvested primarily for its 15- to 20-centimeter stem.

A Christian symbol, common in Ireland, which combines the cross with a ring surrounding the intersection.

Proto-Celtic language.

The putative ancestor of all the known Celtic languages.

(education) Acronym of Certificate in English Language Teaching to Adults, a qualification to teach English.

plural of Celtiberian

A member of a Celtic people living in the Iberian Peninsula, chiefly in what is now north central Spain, before and during the Roman Empire.

An extinct Indo-European language of the Celtic branch spoken by these people in an area of the Iberian Peninsula lying between the headwaters of the Duero, Tajo, Júcar and Turia rivers and the Ebro river.