intransitive verb
Definition: To produce a continuous, low, dull sound, often in a repetitive or monotonous manner.
Example: The bee droned around the garden, searching for flowers.
noun
Definition: A type of aircraft that is controlled remotely and does not have a pilot on board. It can also refer to a male bee that does not work and is mainly there to mate with the queen bee.
Example: The military uses a drone to gather intelligence from the sky.
transitive verb
Definition: To make a continuous, low, humming sound, often in a dull or monotonous way.
Example: The teacher droned on about the history lesson, making it hard for the students to stay awake.