Word not found in any official scrabble dictionaries.
"Gru-gru" Definition
noun
In south america, the grub of the large coleopterous insect calandra palmarum.
Source: Century Dictionary
In the west indies, either of two species of palms, astrocaryum aculeatum and acrocomia sclerocarpa, the wood of which is very hard, heavy, and durable, and takes a fine polish.
Source: Century Dictionary
We love the game of Scrabble®, which is why we created Free Scrabble Dictionary - a simple lookup tool to check if the word you want to play is valid in the game of Scrabble®. At the top of every page, you can enter your word and click "Search Dictionary." We'll let you know whether your word is playable and provide a few definitions as well.