minenwerfer
A type of trench mortar used by German forces especially during the First World War, or the shells fired by such a mortar.
historical
Something landed outside that shook the earth. ‘Four hundred twenty or minnenwerfer,’ Gavuzzi said.
Where it comes from
From German Minenwerfer, from Mine + Werfer (“mortar”).
Adapted from the Wiktionary entry minenwerfer (CC BY-SA 4.0).