transitive. To fill or beset as, or with, a swarm; to crowd densely, throng. Chiefly passive.

transitive. Of a crowd or multitude of people of (material or abstract) things: to fill or occupy completely: to crowd or cram into.

To fill as a crowd does, to throng (a place). (The passive of result is to be crowded with as in a.; the passive of action to be crowded by.)

transitive. To swarm over or across; to cover (a place) with a swarm or profusion of something. Also (occasionally) intransitive.