Definition of "wanderoo" [wan•der•oo]

• A monkey (Macaca silenus) of south-central Asia, having a glossy black coat and a ruff of gray hair about the face. (noun)

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.

• "There are several varieties in Ceylon, among which the great black wanderoo, with white whiskers, is the nearest in appearance to the human race."
• "Ceylon, and noticed the fact that the wanderoo of authors (S. veter) was not to be found in the island except as an introduced species in the custody of the Arab horse-dealers, who visit the port of Colombo at stated periods."
• "In appearance it differs both in size and in colour from the common wanderoo, being larger and more inclining to grey; and in habits it is much less reserved."