any of numerous flattened bugs of the family Aradidae, inhabiting the underside of bark and feeding on fungi.
- Also called fungus bug.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use flat bug in a sentence
Chinches are a sort of flat bug, which lurks in the bedsteads and bedding, and disturbs people's rest a nights.The History of Virginia, in Four Parts | Robert Beverley