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crown saw[′krau̇n ‚sȯ]
A saw consisting of a hollow cylinder with teeth around its edge; used for cutting round holes. Also known as hole saw.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
crown saw, cylinder saw, hole saw
A rotary saw used to cut round holes; has teeth along the edge of a hollow cylinder.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.