Definition of "Caledonian"

In or from Caledonia; (jocularly) Scottish.  examples

In or from New Caledonia.  examples

(geology) Relating to a mountain-forming period (orogeny) in Europe.

A native or inhabitant of Caledonia; a Scot.  examples

Someone from the ancient Celtic tribe (or group of tribes) called Caledonians, in Scotland  examples