- the hammer of Thor, used as a weapon against the Jotuns, heard as thunder by humans.
Origin of Mjolnir
< Old Norse Mjǫllnir, akin to OCS mlĭniji, Russian mólniya, OPruss mealde lightning, Latvian milna hammer of the thunder god
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mjolnir
He is the patron of countrymen, slow of speech and wit, if quick to strike with his hammer Mjolnir.An Introduction to Mythology