Boring

Part of speech: noun (n.)

1. The act or process of one who, or that which, bores; as, the boring of cannon; the boring of piles and ship timbers by certain marine mollusks. One of the most important applications of boring is in the formation of artesian wells. Tomlinson.

2. A hole made by boring.

3. The chips or fragments made by boring. Boring bar, a revolving or stationary bar, carrying one or more cutting tools for dressing round holes. -- Boring tool (Metal Working), a cutting tool placed in a cutter head to dress round holes. Knight.