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[sahy-nahy, sahy-nee-ahy] /ˈsaɪ naɪ, ˈsaɪ niˌaɪ/
Also called Sinai Peninsula. a peninsula in NE Egypt, at the N end of the Red Sea between the Gulfs of Suez and Aqaba. 230 miles (370 km) long.
Mount, the mountain, in S Sinai, of uncertain identity, on which Moses received the law. Ex.
Related forms
[sahy-nee-it-ik] /ˌsaɪ niˈɪt ɪk/ (Show IPA),
[si-ney-ik] /sɪˈneɪ ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for Sinai


/ˈsaɪnaɪ; ˈsaɪnɪˌaɪ/
a mountainous peninsula of NE Egypt at the N end of the Red Sea, between the Gulf of Suez and the Gulf of Aqaba: occupied by Israel in 1967; fully restored by 1982
Mount Sinai, the mountain where Moses received the Law from God (Exodus 19–20): often identified as Jebel Musa, sometimes as Jebel Serbal, both on the S Sinai Peninsula
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for Sinai

the mountain is perhaps named for Sin, a moon goddess worshipped by Sumerians, Akkadians, and ancient Arabs. As an adjectival form, Sinaic (1769), Sinaitic (1786).

Online Etymology Dictionary, © 2010 Douglas Harper
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Sinai in Culture
Sinai [(seye-neye)]

Peninsula in northeastern Egypt, bordered by the Gulf of Aqaba, an arm of the Red Sea, to the east, and the Gulf of Suez, another arm of the Red Sea, to the west.

Note: Sinai has been the scene of fighting during the Arab-Israeli conflict. Israel conquered and occupied Sinai in the Six-Day War but returned the region to Egypt in 1982.
Note: In the Bible, Moses received the Ten Commandments on Mount Sinai.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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