- any of several spiny-trunked, tropical feather palms, as Acrocomia totai, of tropical America, having a swollen trunk with rings of blackish spines.
- Also called grugru grub, grugru worm. the larva of any of several South American billbugs, as Rhynchophorus cruentatus, that feeds on the pith of palm trees, sugar cane, etc., and is sometimes prized as food.
Origin of grugru
1895–1900; < American Spanish grugrú < Carib
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of several tropical American palms, esp Acrocomia sclerocarpa, which has a spiny trunk and leaves and edible nuts
- the large edible wormlike larva of a weevil, Rhynchophorus palmarum, that infests this palm
C18: from American Spanish (Puerto Rican dialect) grugrú, of Cariban origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012