/ (ˈjɑːɡɪ, ˈjæɡɪ) /
a highly directional aerial, used esp in television and radio astronomy, consisting of three or more elements lying parallel to each other, the principal direction of radiation being along the line of the centres
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Word Origin for Yagi aerial
C20: named after Hidetsugu Yagi (1886–1976), Japanese engineer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012