One who arms or supplies with arms; one who equips.(noun)
The Century Dictionary (Public Domain)
Use "armer" in a sentence
"If what I saw while knocking around Greenpoint yesterday was any indication, there was a lot of "armer" being "sprayed"."
"Mr. Pietersen, prepared no doubt this time for Mr. Johnson's swing, survived the initial threat and was looking to prosper when surprised by the left-armer's pace and bounce."
"Zander de Bruyn missed his hundred, bowled sweeping at the young, slow left-armer Danny Briggs for 95."