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Related to navar: Anavar
(Navigation) a system of air navigation in which a ground radar station relays signals to each aircraft indicating the relative positions of neighbouring aircraft
[C20: from nav(igational and traffic control rad)ar]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014