Bernese mountain dog
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of a Swiss breed of large, muscular dogs having a soft, silky black coat with russet or tan markings on the forelegs, over each eye, and on both sides of a white chest. The dogs were formerly used for draft.