Improve Drainage meaning in Urdu

Is there any meaning of the word drainage that needs an edit? Please click that meaning to rewrite it.

پانی کا نکاسموریموریبدررونکاسنکاسپن بہاوٴآب نکاسیبدر آبیبدروپن بہاؤ

Is there any meaning of the word drainage that needs to be removed from the list? Please click that meaning to mark it for deletion.

پانی کا نکاسموریموریبدررونکاسنکاسپن بہاوٴآب نکاسیبدر آبیبدروپن بہاؤ

Do you want to add a new meaning, definition, and a sentence of the word drainage ? Please feel free to add.