The animistic religion of certain peoples of northern Asia in which mediation between the visible and spirit worlds is effected by shamans.
A similar religion or set of beliefs, especially among certain Native American peoples.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.