drone
US /dron/
・UK /drəʊn/
B2
noun
- An unmanned aircraft or spacecraft that can be remotely controlled.
- A remote controlled flying device
- A continually dull or monotonous voice
- A male bee in a colony of social bees, whose sole function is to mate with the queen.
- Male bee
- A person who does tedious or menial work.
- A continuous low humming sound.
verb
- To talk in a continually dull or monotonous voice
other
- To talk in a monotonous, dull way.