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Mature, fatty herring that have been preserved in brine.
[Partial translation of Yiddish shmaltshering : shmalts, animal fat; see schmaltz + hering, herring (from Middle High German herinc, from Old High German hārinc; akin to Old English hǣring).]
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.