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n. pl. er·u·vin (-o͝o-vĭn′) or er·u·vim (-o͝o-vĭm′) or er·uvs Judaism
A symbolic enclosure, marked by preexisting walls or by cord or wire strung on posts, nominally converting public space into private space and so permitting activities that would otherwise be prohibited on the Sabbath.
[Post-Biblical Hebrew 'êrûb, verbal noun of 'ērēb, to mix, mingle (from the fact that under Halachic law the separate households in the eruv are considered to be a single household, or mingled ), from Hebrew 'ēreb, mixture; see ʕrb in Semitic roots.]
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.
(Judaism) Judaism an area, circumscribed by a symbolic line, within which certain activities forbidden to Orthodox Jews on the Sabbath are permitted
[C20: from Hebrew, literally: mixture, mixing]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014