highlanders is a form of:

Caucasian



noun
1.
(a native of the Caucasus, same as Caucasoid. -Caucasus, Caucasus Mountains a mountain range in Caucasis in the SW of former Soviet Union between the Black and the Capsian seas. It was the Origin of the white Caucasians and the Indians) មនុស្សស្បែកស
adjective
1.
(member of the light skinned division of humanity) caucasian race ដែលមានស្បែកស, caucasian Mountains នៃភ្នំកូកាហ្ស៍
ENGLISH MEANING
noun
1.
A native or inhabitant of the Caucasus, esp. a Circassian or Georgian.
2.
A member of any of the white races of mankind.
adjective
1.
Of or pertaining to the Caucasus, a mountainous region between the Black and Caspian seas.
2.
Of or pertaining to the white races of mankind, of whom the people about Mount Caucasus were formerly taken as the type.