1.
antenna; aerial
A device for receiving or transmitting radio, television, or other electromagnetic signals.
2.
feeler; antenna for information; sensitivity to trends
Figuratively, one's ability or effort to pick up on new information, trends, or opportunities. Very common in everyday Japanese.
From English/Portuguese "antenna." While the literal meaning (sense 1) is straightforward, the figurative sense (sense 2) is extremely common in daily Japanese and is often the more important meaning for learners to know.
Common collocations
- アンテナを張る — to put out one's feelers; to stay alert for information
- アンテナが高い — to be sensitive to trends; to be well-informed
- アンテナを立てる — to put up an antenna (literal); to tune in (figurative)
- 衛星アンテナ — satellite antenna/dish
- アンテナショップ — antenna shop (a shop showcasing regional products in a city)
Cultural note
アンテナショップ are retail outlets, often in Tokyo, run by regional governments to promote local products and tourism. The name comes from the idea of the shop serving as an "antenna" to gauge consumer interest.