a toy having a body of conical, circular, or oval shape, often hollow, with a point or peg on which it turns or is made to whirl. If given a knock, a spinning top will go around in a circle at a slant; if spun with a slant at the start, it will quickly stand upright until halted by friction. Its physical properties are similar to those of the gyroscope. Some tops, as the common peg top, are spun by means of a cord. Whipping tops are kept spinning by whips with a lash. Other tops are spun by a twist of the hand or the action of a spring or a plunger. Some hollow tops, such as the thunder tops of Japan, have holes cut in them to produce a hum or roar.
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