Dictionary.net

• a nerve running along the inner side of the arm and passing near the elbow; supplies intrinsic muscles of the hand and the skin of the medial side of the hand

2006 - WordNet 3.0
By Princeton University

• a nerve running along the inner side of the arm and passing near the elbow; supplies intrinsic muscles of the hand and the skin of the medial side of the hand

2011 - English Dictionary Database
By DataStellar Co., Ltd