资料来源 : pyDict

倒圆锥形,涡卷

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Turbination \Tur`bi*na"tion\, n. [Cf. L. tirbinatio a pointing
   in the form of a cone. See {Turbinate}.]
   The act of spinning or whirling, as a top.