noun
A sport or contest in which two people grip each other's hand and try to force the opponent's arm down onto a surface. The Japanese term 腕相撲 (うでずもう) is a native equivalent.
See also: 腕相撲
放課後、友達とアームレスリングをして遊んだ。
After school, I played arm wrestling with my friends.
彼はアームレスリングの大会で優勝した。
He won the arm wrestling tournament.