Definition of gribble
: either of two small wood-boring marine isopods (Limnoria lignorum and L. tripunctata)
Origin of gribble
perhaps alteration of 2grub
First Known Use: 1838
Learn More about gribble
Britannica.com: Encyclopedia article about "gribble"
Seen and Heard
What made you want to look up gribble? Please tell us where you read or heard it (including the quote, if possible).