1 The W3C offers an explanation that compares the URN to the URI and the URL. 2  Here is a page of links to sites related to Uniform Resource Names. 3  Ron Daniels' page on Uniform Resource Identifiers offers several clarifying thoughts.ontinue Reading About URN (Uniform Resource Name). 1  The W3C offers an explanation that compares the URN to the URI and the URL. 2  Here is a page of links to sites related to Uniform Resource Names.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  jigsaw(Noun) A saw with fine teeth and a narrow blade which can cut curves in wood or metal. 2  jigsaw(Noun) A jigsaw puzzle. 3  jigsaw(Verb) To cut something using a jigsaw.
Some jigsaw puzzles have edge pieces that are cut just like all the rest of the interlocking pieces, with no smooth edge, to make them more challenging. Other puzzles are designed so the shape of the whole puzzle forms a figure, such as an animal.