- (of a plant) growing in waste places, along roadsides or in rubbish.
- a ruderal plant.
Origin of ruderal
1855–60; < New Latin rūderālis, equivalent to Latin rūder- (stem of rūdus broken stone, rubble) + -ālis -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ruderal
Infrequent in the shrub stratum of the dry, ruderal grassland habitat.The Biotic Associations of Cockroaches
Louis M. Roth
- a plant that grows on waste ground
- growing in waste places
C19: from New Latin rūderālis, from Latin rūdus rubble