Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of several small wood-boring marine isopod crustaceans of the genus Limnoria, especially L. lignorum, which often damage underwater wooden structures.

from The Century Dictionary.

  • noun A small isopod crustacean, Limnoria terebrans, belonging to the family Asellidæ.
  • noun A shoot from a tree; a short cutting.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) A small marine isopod crustacean (Limnoria lignorum or Limnoria terebrans), which burrows into and rapidly destroys submerged timber, such as the piles of wharves, both in Europe and America.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any of various wood-boring marine crustaceans of the genus Limnoria, especially Limnoria lignorum, which cause damage to underwater wooden structures

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Possibly diminutive of grub.]

Examples

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