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Directed or turned backward or downward.
[Latin retrōrsus, from retrōversus : retrō-, retro- + versus, past participle of vertere, to turn; see wer- in Indo-European 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.
(Botany) (esp of plant parts) pointing backwards or in a direction opposite to normal
[C19: from Latin retrōrsus, shortened form of retrōversus turned back, from retro- + vertere to turn]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
[1815–25; < Latin retrōrsus, contracted form of retrōversus bent backward]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Adj.||1.||retrorse - bent or curved backward or downward; "leaves with retrorse barbs"|
antrorse - bent or curved forward or upward; "a plant having antrorse hairs on the stem"
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