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fireworm

American  
[fahyuhr-wurm] / ˈfaɪərˌwɜrm /

noun

  1. the larva of any of several moths, as Rhopobota naevana black-headed fireworm, which feeds on the leaves of cranberries and causes them to wither.

  2. glowworm.

Etymology

Origin of fireworm

First recorded in 1560–70; fire + worm

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

According to USA Today, Texas Parks and Wildlife identified the creature from a video sent to them by Ramirez: It was a bearded fireworm.

From Fox News

From June to September, Dr. Smith regularly takes visitors to well-known fireworm breeding waters where they can enjoy the sunset and, soon after, see the green glow of the circling females and the pulse of the males following them.

From New York Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.