Definitions

1. proper noun

a surname of English origin, or a British surname of Norman origin

“Neil Armstrong was the first person to walk on the moon.”

2. noun

a device that converts the mechanical energy of a rotating arm into electrical energy, especially in the form of alternating current

“The generator was powered by an armstrong device.”

3. verb

to arm or equip (someone) with a device or a tool, especially a machine gun

“The soldiers were armstrung with new machine guns.”