Half nelson

[Sarah]

A hold in which one arm is thrust under the corresponding armof the opponent, generally behind, and the hand placed upon the backof his neck. In the full nelson both hands are so placed.

[Sonia]

Half nelson in Wrestling. A ground hold used by a wrestler who places one arm through their opponents corresponding armpit and then around his neck.

[Britney]

a way of holding someones arm from behind with one of your arms and holding their neck with the same hand, so that it is difficult for them to move, used in wrestling (= a sport in which two people fight and try to throw each other to the ground) :

[Michiko]

a wrestling hold in which the holder puts an arm under the opponents arm and exerts pressure on the back of the neck

[MashaDit]

A half nelson is a wrestling hold in which one arm is passed under the opponents arm from behind and the hand is applied to the neck. It is used primarily as a method to control and restrict the actions of the opponent, potentially leading to a pin. Its known as half due to only one hand being used, compared to a full nelson where both arms are used in a similar hold.