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An inmate of a Soviet labor camp.
[Russian, from abbr. for zaklyuchënnyĭ, prisoner, from past passive participle of zaklyuchat', to imprison, from klyuch, key, from Old Church Slavonic ključĭ.]
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.
(Historical Terms) Russian history an inmate of a Soviet labour camp or prison
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