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Meaning of trailboard

trail•board

Pronunciation: (trāl'bôrd", -bōrd"), [key]
— n. Naut.
  1. an ornamented board extending on each side of the bow of a vessel from a figurehead or the like to abaft the hawse.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.