yagi
/ˈjɑːɡi/
noun
- A directional antenna consisting of a driven element and several parallel rods, used for television and radio reception.
- We installed a yagi on the roof to get better TV reception from the distant station.
- Ham radio operators often use a yagi to focus their signal in one direction.
- The old house had a rusty yagi antenna that still picked up a few channels.