top timber

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noun Nautical.

a timber forming the upper, straighter portion of a frame in a wooden hull.

Origin of top timber

First recorded in 1620–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for top timber

  • In naval architecture, a name for the fifth or top-timber sweep (which see).

    The Sailor's Word-Book|William Henry Smyth
  • A name sometimes given to the back sweep which forms the upper part of the top-timber.

    The Sailor's Word-Book|William Henry Smyth