intransitive verb
Definition: To bend something over itself or to collapse under pressure or defeat.
Example: After losing the match, the team decided to fold and not continue playing.
noun
Definition: A bend or crease in something, often made by folding it; it can also refer to a group of people or animals that are gathered together for a common purpose.
Example: The paper had a noticeable fold where it had been creased.
transitive verb
Definition: To bend something over so that one part lies on another part, or to combine a light ingredient into a heavier mixture gently.
Example: She decided to fold the letter and put it in an envelope.