knocking

The practice of persistent attack with ulterior motives. See knock, v. i., 4.

The act of striking a door with the knuckles or with a knocker.

plural The larger pieces of stone and ore as cut or blasted from the vein.

plural A stone-masons’ name for the smaller pieces knocked off in dressing stone.

The cry of harehounds.

A beating; a rap; a series of raps.

Present participle of knock.

An act in which something is knocked on, or the sound thus produced

the sound of knocking (as on a door or in an engine or bearing)