Definition of gribble in English:

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gribble

Pronunciation: /ˈɡrɪb(ə)l/

noun

A small marine isopod crustacean that bores into submerged wooden structures, often causing damage to pier timbers.
  • Limnoria lignorum, order Isopoda
Example sentences
  • Wood-boring marine crustaceans, called gribbles, have devoured portions of supporting timbers designed to stabilize a seawall built along the waterfront in Seattle, Washington.
  • The seagrass gribble burrows through blades of seagrasses, eating their soft internal tissues.
  • Because gribbles usually attack wood ‘en mass’, the wood surface quickly becomes sharp and uneven because of all the holes and cavities.

Origin

Late 18th century: perhaps related to the verb grub.

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