n (rare|dialectal) Any device or part that keeps something in its place through tension (as contrasted with e.g. weight or friction), such as a clamp or clip.
n (pathology) A condition in which a nerve is pressed by other body parts causing pain, cramp|cramps or other symptoms.
n (idiomatic) A difficult situation, jam, bind. In this sense only used in inessive, elative and illative case|cases in set expressions.