Source : Webster's Revised Unabridged Dictionary (1913)

Armlet \Arm"let\, n. [Arm + -let.]
   1. A small arm; as, an armlet of the sea. --Johnson.

   2. An arm ring; a bracelet for the upper arm.

   3. Armor for the arm.

Source : WordNet®

armlet
     n : a band worn around the arm for decoration [syn: {arm band}]