machine gun
machine gun is a self-loading firearm or automatic firearm.
Also recorded as machinegun.
Overview
Fully automatic mounted or portable firearm.
In detail
machine gun is a self-loading firearm or automatic firearm.
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
“Machine gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q12800: machine gun
Consult the source