trench knife
trench knife is a combat knife or dagger.
Overview
Type of combat knife.
In detail
trench knife is a combat knife or dagger.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Trench knife”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1540760: trench knife
Consult the source