the part of the arm between the shoulder and the elbow.
Origin of upper arm
First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for upper arm
The amulet is fastened upon the head or tied around the upper-arm or worn on the breast, with a string around the neck.Our Moslem Sisters|Annie Van Sommer