資料來源 : Webster's Revised Unabridged Dictionary (1913)

Tourbillion \Tour*bil"lion\, n. [F. torbillion a whirlwind,
   tourbillion, fr. L. turbo, -inis, a whirl, whirlwind.]
   An ornamental firework which turns round, when in the air, so
   as to form a scroll of fire. --G. Francis.