n.
The ninth month of the year in the Jewish calendar.
[Hebrew sîwān, from Akkadian simānu, a month name, from simānu, season, time.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.