アンテナ
Meanings
1
Physical device for sending or receiving radio waves, used in broadcasting, communication, and radio astronomy.
A TV antenna is standing on the roof.
My smartphone's antenna is broken, so the signal is weak.
2
information-gathering tool; sensing method
Figurative extension: a person, network, or method used to pick up information, trends, or public opinion, like a metaphorical antenna.
He has his antennae out across the industry.
We use social media as an antenna to gather consumer feedback.
Usage patterns
- 〈場所〉にアンテナを立てるto put up an antenna at a place
We put up a TV antenna on the roof.
- アンテナを張るto keep one's antenna up (for information or trends)
She always keeps her antenna up for the latest information.
- アンテナが高いto be highly perceptive or well-informed
He's very perceptive when it comes to fashion trends.
- 〈事〉がアンテナにひっかかるfor something to catch one's attention/radar
That rumor caught on my radar.