Yerkish


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Yerk·ish

 (yûr′kĭsh)
n.
An artificial language using symbols to represent words, created for experimental communication between humans and nonhuman primates.

[After Robert Mearns Yerkes.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.