The Irish language as attested from the sixth to the tenth centuries C.E., the oldest form of the Goidelic languages for which extensive texts (written in the Latin alphabet) are extant.

(slang) Great Britain, Britain, or England, especially as viewed from abroad

From or reminiscent of an earlier time or era; old-fashioned.

One who has been around for a long time or has a great deal of experience; a veteran.

The country of origin of an immigrant or of a person of immigrant descent.

(Australia, New Zealand) Britain, England, London, or Ireland; the Old Country. / (colloquial, UK, naval) Dartmouth Royal Navy College.

(informal, idiomatic) A style, way of thinking, or method for accomplishing a task that was employed in a former era, remembered either for its inferiority to the current method, or for its time-honored superiority over the new way.

(informal, idiomatic) Characteristic of a style, outlook, or method employed in a former era, remembered either as inferior to the current style, or alternately, remembered nostalgically as superior or preferable to the new style, the older denoting something that would be considered out of date or out of fashion to some, but as such, is considered by others as cool and hip.

Used other than figuratively or idiomatically: see old, sod (person). / (US, Ireland) The old country; one's place of origin.

(Britain, slang, law enforcement) A police officer / (British slang, frequently with the) The police force. / (British slang, dated) A soldier, especially one who resembles the cartoon character.