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turtleback

[tur-tl-bak]
noun
  1. Archaeology. tortoise-core.
  2. Furniture. an oval or elliptical boss.
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Origin of turtleback

First recorded in 1880–85; turtle1 + back1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for turtleback

Historical Examples

  • Because of its shape, Singer company brochures of the 1920s referred to it as the Turtleback Machine.

    The Invention of the Sewing Machine

    Grace Rogers Cooper


British Dictionary definitions for turtleback

turtleback

noun
  1. an arched projection over the upper deck of a ship at the bow and sometimes at the stern for protection in heavy seas
  2. (now obsolete in archaeological usage) a crude convex stone axe
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012