Wiktionary(1.50 / 4 votes)Rate this definition: 1  dilemma(Noun) A circumstance in which a choice must be made between two or more alternatives that seem equally undesirable. 2  dilemma(Noun) (disputed) A difficult circumstance or problem.
The lathe is an ancient tool, dating at least to ancient Egypt and known to be used in Assyria and ancient Greece. The lathe was very important to the Industrial Revolution. It is known as the mother of machine tools, as it was the first machine tool that lead to the invention of other machine tools.
Parts of Lathe Machine: The lathe consist following parts. 1. Bed. It is the main body of the machine. All main components are bolted on it. It is usually made by cast iron due to its high compressive strength and high lubrication quality. It is made by casting process and bolted on floor space. 2. Tool post. It is bolted on the carriage.