antenna.

1. A structure designed to transmit or receive radio or other electromagnetic signals.

2. One of the paired projecting sensory organs on the head of an arthropod.

Use it for

Words that belong together

• communications antenna
• directional antenna

On the page

The communications antenna unfolded above the damaged hull.

She aligned the directional antenna with the last known beacon.

Usage notes

Primary category: sci-fi. Forms: Device plural antennas; biological plural antennae. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.