drone
Translation
drone (aircraft), male bee, low hum, (v) to make a low hum
Examples
He flies his drone in the park.
He flies his drone in the park.
I could hear the drone of an engine.
I could hear the drone of an engine.
The lecturer droned on for hours.
The lecturer droned on for hours.
Grammar Patterns
((a drone)) an unmanned aircraft They use drones for photography.
((the drone of sth.)) a low continuous sound I heard the drone of the traffic.
((to drone on)) to speak boringly for a long time The professor droned on about history.
Similar Words
Synonyms (sound): hum, buzz; Synonyms (aircraft): UAV
Etymology
From Old English 'drān' for a male bee. The meaning extended to the sound it makes, and then to the aircraft.
Memory Tips
Think of the 'drrrr' sound a drone makes, which connects the sound meaning to the aircraft meaning.