A miter saw (also called mitre saw and less frequently a miter box) is a tool used to make accurate crosscuts and miters in a workpiece.
A motorized miter saw (also called a chop saw or drop saw) is a power tool used to make a quick, accurate crosscut in a workpiece. Common uses include framing operations and the cutting of molding. Most miter saws are relatively small and portable, with common blade sizes ranging from eight to 12 inches. [via ]