Thor's hammer

Noun

 * 1)  Mjöllnir (Mjollnir), the distinctively T-shaped war-hammer of the Norse thunder god Thor, or a representation thereof, now used as a symbol by various pagan religious groups.
 * 2)  An orbital drop hypervelocity kinetic energy weapon (KEW). A theoretical weapon, originating from a U.S. government study,, from the 1950s.

Synonyms