[ 'jα:gi ]
■ noun a highly directional narrowband radio aerial made of several short rods mounted across an insulating support.
Origin
1940s: named after the Japanese engineer Hidetsugu Yagi .
YAGI ANTENNA
Meaning of YAGI ANTENNA in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004