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Meaning of pinwheeling

pin•wheel•ing

Pronunciation: (pin'hwē"ling, -wē"-), [key]
— n. U.S. Naut.
  1. the act of turning a multiple-screw ship within a minimum radius by having some engines going forward and others going in reverse.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.