Armpiece

noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A piece of armour that protects the arm.

    "“Go, my good St. John,—in an arm-piece of the Milanese armor that hangs on the wall, thou’lt find the Seal!”"

  2. 2
    A decorative companion. colloquial, idiomatic

    "He'd decided to take her because she was the best looking armpiece of all, and as long as she kept her mouth shut, he'd be the envy of every man there."

Example

More examples

"“Go, my good St. John,—in an arm-piece of the Milanese armor that hangs on the wall, thou’lt find the Seal!”"

Etymology

From arm + piece.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.