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LEGAL DICTIONARY - LETTER Z


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ZIPPER
Devices consisting of two opposite series of members adapted to be attached one on each side of an aperture in some article and to interlock so as to close the aperture upon the slide being operated in one direction, or to separate so as to leave the aperture open upon the slide being operated in the opposite direction. From a 1932 trademark case of the Supreme Court of Canada called Lightning Fastener Co. Ltd. V. Canadian Goodrich Co. Ltd.

ZONING 
A system of developing a city or county plan in which various geographic areas (zones) are restricted to certain uses and development, such as industrial, light industrial, commercial, light-commercial, agricultural, single-family residential, multi-unit residential, parks, schools and other purposes. Zoning is the chief planning tool of local government to guide the future development of a community, protect neighborhoods, concentrate retail business and industry, channel traffic and play a major role in the enhancement of urban as well as small-town life. In 1926, zoning was declared constitutional by the U.S. Supreme Court in Village of Euclid v. Ambler Realty Co.