Webster's Revised Unabridged Dictionary · 1913

Koluschan

Koluschan , adjective

[From Russ. kalyushka piece of wood (worn in the nether lip).]

Designating, or pertaining to, a linguistic stock of North American Indians comprising the Tlinkit tribes of the Alexander Archipelago of southeastern Alaska and adjacent coast lands. Their language bears some affinity to Mexican tongues.

Also: Kolushan