A crowd of people.
A hive of bees, or a nest of wasps, hornets, or ants.
To ride a bike.
To travel by bike.
To transport by bicycle.
A bustle of noise and excitement.
A sibilant buzz or vibration; the sound of something in rapid motion.
To make a sibilant buzzing or droning sound.
To cause (something) to make such a sound.
To move or vibrate (something) with a buzzing sound.