Refers to the part of the arm from the elbow to the wrist. Common in martial arts and sports contexts.
In kendo, there is a technique to strike the forearm.
彼は転んで小手を擦りむいた。
He fell and scraped his forearm.
tip of the hand; use of one's hands · cheap trick; superficial cleverness; makeshift; shortsighted
armlock throw; forearm throw
arm-locking twist down
preliminary test; trial run; warm-up
kote gaeshi; wrist turn-out throw
bound hands and arms
Compound of 小 (small) and 手 (hand), referring to the smaller part of the arm below the elbow.