A part of a real or virtual machine which acts as a machine in its own right(noun)
Of or pertaining to a submachine gun(adjective)
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Use "submachine" in a sentence
"The term submachine gun, repeated in military reports and official correspondence for years, was pejorative, as if the AK-47 did not deserve to be discussed in the same conversation with hard-hitting American battle rifles."
"According to court documents and testimony, Graves and ex-girlfriend Tania Besek had previously broken up and Graves went to her apartment with a box of ammunition and a TEC-9, a handgun that is sometimes referred to as a submachine gun."
"(Incidentally, David Ben-Gurion called his submachine gun after Collins)"