drone

All up the Valley the drums' rattle drowned the drone of the locusts in the stubble.

The sky above the Vulcan was filled with the drone of hurtling shells.

From far away came a drone that was separate from the throbbing of his head.

It was vague and indistinct and the drone plane was shooting the scene from too far away.

To be proud that one wasn't a loafer or a drone, or a parasite on the body economic.

The drone of his voice had a strangely rasping, soulless ring.

I am a drone—the product of society at its worst—and you are one of the workers, Donald.

Some planets have been set back, and even destroyed as a result of drone activity.

Drone says that "this judgment has continued to represent the law."

There ensues a vast shuffling of words, a drone and a gurgle of syllables.