A natural or artificial means for the removal of fluids from a given area by its draining away. / A system of drains. / A downward wind.

plural of muadhin

A wooden dowel. / (nautical) the brass bearing in the sheave of a block

(computing theory) A sorting algorithm that divides the input list into two sublists — items already sorted, and items not yet sorted — and gradually transfers elements from one list to the other.