armring

plural armrings

1. A ring worn on the arm.

   Odin examined the arm-ring, then pushed it onto his arm, up high on his biceps.

   2017, Neil Gaiman, Norse Mythology, Bloomsbury Publishing, page 42

   1 more example

   They were worn by men rather than by women and pre-Viking repoussé-decorated gold foils from Sorte Muld, Bornholm, appear to show a man who is wearing armrings wielding a sword and a man with two rings on his upper arm.

   2011, Tony Abramson, New Perspectives

   Synonyms: armlet