Dictionary.com
Thesaurus.com

battle lantern

American  

noun

  1. a portable, battery-operated light for emergency use aboard a warship.

Etymology

Origin of battle lantern

First recorded in 1820–30

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.