intransitive verb
Definition: To become stuck or unable to move, often due to being pressed tightly against something.
Example: The printer jammed while I was trying to print my report.
noun
Definition: A situation where things are stuck together or crowded in a small space, often causing a blockage, or a sweet spread made from fruit and sugar.
Example: We were stuck in a traffic jam for over an hour.
transitive verb
Definition: To block or obstruct something, making it unable to move or function properly.
Example: He tried to jam the door shut to keep it from opening.