Definition of fold

• v. t. - To lap or lay in plaits or folds; to lay one part over another part of; to double; as, to fold cloth; to fold a letter.
• v. t. - To double or lay together, as the arms or the hands; as, he folds his arms in despair.
• v. t. - To inclose within folds or plaitings; to envelop; to infold; to clasp; to embrace.
• v. t. - To cover or wrap up; to conceal.
• v. i. - To become folded, plaited, or doubled; to close over another of the same kind; to double together; as, the leaves of the door fold.
• v. - A doubling,esp. of any flexible substance; a part laid over on another part; a plait; a plication.
• v. - Times or repetitions; -- used with numerals, chiefly in composition, to denote multiplication or increase in a geometrical ratio, the doubling, tripling, etc., of anything; as, fourfold, four times, increased in a quadruple ratio, multiplied by four.
• v. - That which is folded together, or which infolds or envelops; embrace.
• n. - An inclosure for sheep; a sheep pen.
• n. - A flock of sheep; figuratively, the Church or a church; as, Christ's fold.
• n. - A boundary; a limit.
• v. t. - To confine in a fold, as sheep.
• v. i. - To confine sheep in a fold.