Meaning

noun an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs

noun a teeming multitude

noun a man-made receptacle that houses a swarm of bees

originUncertain, but frequently connected with heave, even if such a derivation is phonologically difficult.

Etymology from Wiktionary, CC BY-SA 3.0