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Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
[From Latin spīrāre, to breathe.]
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.
indicating breath or respiration: spirograph.
[from Latin spīrāre to breathe]
spiral; coil: spirochaete.
[from Latin spīra, from Greek speira a coil]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a combining form meaning “coil,” “spiral”: spirochete.
[comb. form of Latin spīra < Greek speîra coil]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.