antenna

US /ænˈten.ə/
UK /ænˈten.ə/
"antenna" picture
1.

a rod, wire, or other device used to transmit or receive radio or television signals

:
•
The old television had a rabbit-ear antenna.
•
We need to install a new antenna for better reception.
:
aerialreceivertransmitter
2.

each of a pair of long, thin sensory appendages on the heads of insects, crustaceans, and some other arthropods

:
•
The butterfly used its antennae to sense the nectar.
•
Ants communicate with each other by touching their antennae.
:
feelerpalp