drone
//droʊn//
Noun
droneSingular
dronesPlural
1
An unmanned aircraft or ship that is guided remotely or autonomously.
The military uses drones for surveillance missions.
2
A male bee that does not work and whose only function is to mate with the queen bee.
Drones do not collect pollen or make honey.
3
A continuous low humming sound.
The drone of the bees filled the garden.
4
A person who does no useful work and lives off others.
He's just a drone who lives off his parents and never works.
Synonym
Verb
1
To make a continuous low humming sound.
The bees droned around the flowers in the garden.
2
To speak in a monotonous tone.
The professor droned on for hours about the same topic.