a swarm of

usually the result of an allergic response to insect bites or food or drugs n a teeming multitude n a man-made receptacle that houses a swarm of bees n a structure that provides a natural habitation for bees

a swarm of insects that attack plants

n a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal n any epidemic disease with a high death rate n a swarm of insects that attack plants n any large scale calamity (especially when thought to be sent by God) n an annoyance v cause to suffer a blight v annoy continually or chronically