This is the 6179th most frequent Spanish word.
antena
A device for transmitting or receiving radio waves.
The word 'antena' refers to the device used to receive broadcast signals for a television.
La antena de televisión está rota.
The television antenna is broken.
Here, 'antena' is applied to the sensory organs on the head of insects.
El insecto tiene una antena más larga que la otra.
The insect has one antenna longer than the other.
In this context, 'antena' metaphorically describes an intuitive or perceptive skill to sense situations.