Definition of "gribbles" []

• Plural form of gribble. (noun)

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• "The suit seeks to force the trust, and by extension taxpayers, to spend "at least $37.5 million" repairing damage its piers have sustained over the past two decades from small marine borers known as gribbles and teredos."
• "And there is another problem: marine organisms called gribbles and toredos are eating away at the timber platform, increasing the wall's vulnerability to an earthquake."
• "But decades of wear - including attack on the timber by marine borer "gribbles" and damage from the 2001 Nisqually Quake - have weakened the structure to the point of serious danger."