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ge·ni·i 1

n. Roman Mythology
Plural of genius.

ge·ni·i 2

pl.n. Archaic
Genies; jinn.

[Plural of genius (influenced by Arabic jinnī, jinni).]
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.


the plural of genius5, genius6
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈdʒin yəs)

n., pl. gen•ius•es for 2,3,8, gen•i•i (ˈdʒi niˌaɪ)
for 6,7,9.
1. an exceptional natural capacity of intellect, esp. as shown in creative and original work in science, art, music, etc.: the genius of Mozart.
2. a person having such capacity.
3. natural ability; talent: a genius for leadership.
4. distinctive character or spirit, as of a nation, period, or language.
5. the guardian spirit of a place, person, institution, etc.
6. a person who strongly influences for good or ill the character, conduct, or destiny of a person, place, or thing: an evil genius.
7. jinn.
[1350–1400; < Latin: tutelary deity or genius of a person; compare genus]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in classic literature ?
They greeted one another, and then the old man said to him, "May I ask, brother, what brought you to this desert place, where there are so many evil genii about?
Then the old man leading the hind threw himself at the monster's feet and said, "O Prince of the Genii, I beg of you to stay your fury and to listen to me.
Yokneam, Israel, July 15, 2015 --( WiseSec, a leading provider of mobile platform solutions to improve the customer experience, today announced the launch of Genii - an Internet of Things (IoT) smart home automation product - on Indiegogo.