To breed multitudes.

To crowd or throng.

To collect, and depart from a hive by flight in a body;
– said of bees; as, bees swarm in warm, clear days in summer.

To abound; to be filled (with).

To appear or collect in a crowd; to throng together; to
congregate in a multitude.

Hence, any great number or multitude, as of people in
motion, or sometimes of inanimate objects; as, a swarm of meteorites.

A large number or mass of small animals or insects,
especially when in motion.

To climb a tree, pole, or the like, by embracing it with
the arms and legs alternately. See Shin.

Especially, a great number of honeybees which emigrate from
a hive at once, and seek new lodgings under the direction of a queen; a
like body of bees settled permanently in a hive.

To be crowded; to be thronged with a multitude of beings
in motion.