1. a device for receiving or transmitting radio or television signals
2. one of a pair of long, thin sensory organs on the head of insects and some other animals
Usage: biology

Examples

• The old television had rabbit ear antennas on top.
• We installed a new antenna on the roof to improve our reception.
• The butterfly’s antennae twitched as it sensed the flower’s scent.
• Ants use their antennae to communicate with each other.
• The radio antenna was damaged in the storm.
• A grasshopper’s antennae help it detect movement and vibrations.
• The satellite dish replaced our old TV antenna.