English definition of “fold”
MATERIAL [T] › If you fold paper, cloth, etc, you bend it so that one part of it lies flat on top of another part: Can you help me fold the sheets? He folded the letter in half.
FURNITURE [I, T] (also fold up) › to make something such as a chair or table smaller or flatter by closing it or bending it together: I folded up the table and put it away. a folding chair → Opposite unfold
BUSINESS [I] informal › If a business folds, it fails and is unable to continue: The magazine folded last year.
fold your arms › to bend your arms across your chest, with one crossing over the other: He sat with his arms folded.