doubling: Meaning and Definition of

dou•bling

Pronunciation: (dub'ling), [key]
— n. Naut.
  1. the part of the upper or lower end of one spar of a mast that is overlapped by another spar above or below it.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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