Also found in: Medical.
tr.v. as·per·at·ed, as·per·at·ing, as·per·ates
To make uneven; roughen.
[Latin asperāre, asperāt-, from asper, rough.]
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) (of plant parts) having a rough surface due to a covering of short stiff hairs
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014