Wiktionary
humming top
alt. A toy with a point, around which it can be made to spin. n. A toy with a point, around which it can be made to spin.
WordNet
humming top
n. a top that makes a humming noise as it spins
Usage examples of "humming top".
Darya's first impression had been of a tiny silver-and-black humming top, drilling its way downward.