brained (br?nd)adj. Having a brain. Often used in combination: small-brained reptiles.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.brained (bre?nd) adj. having a particular type of brain (used in combination): small-brained dinosaurs. [1400?50] 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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-brained adj (in combination) having a mind of thetype specified: hare-brained; scatter-brained. Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014