Meaning : The entire geographical area drained by a river and its tributaries. An area characterized by all runoff being conveyed to the same outlet.
Example :
Flood control in the Missouri basin.
Synonyms : basin, catchment area, catchment basin, drainage basin, river basin, watershed
Drainage area ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Drainage area ka matlab kya hota hai?