mealworm

[ meel-wurm ]
/ ˈmilˌwɜrm /

noun

the larva of any of several darkling beetles of the genus Tenebrio, which infests granaries and is used as food for birds and animals.

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Origin of mealworm

First recorded in 1650–60; meal2 + worm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for mealworm

mealworm
/ (ˈmiːlˌwɜːm) /

noun

the larva of various beetles of the genus Tenebrio, esp T. molitor, feeding on meal, flour, and similar stored foods: family Tenebrionidae
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