yagi(redirected from yagis)
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n. pl. ya·gis
A directional radio antenna consisting of a parallel array of similar elements in which only one element is directly connected to the feed line from the receiver or transmitter.
[After Hidetsugu Yagi (1886-1976), Japanese electrical engineer.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.