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Colonizing or thriving in areas that have been disturbed, as by fire or cultivation.
A species, especially a plant, that colonizes or thrives in disturbed areas.
[New Latin rūderālis, from Latin rūdus, rūder-, rubble, broken stones; possibly akin to German Grieß, grit, semolina, Lithuanian grūdas, grain, and Russian gruda, pile.]
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) a plant that grows on waste ground
(Botany) growing in waste places
[C19: from New Latin rūderālis, from Latin rūdus rubble]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ru•der•al(ˈru dər əl)
1. (of a plant) growing in waste places, along roadsides, or in rubbish.n.
2. a ruderal plant.
[1855–60; < New Latin rūderālis < Latin rūder- (s. of rūdus broken stone, rubble]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.