Definition of ruck

• n. - A roc.
• v. t. & i. - To draw into wrinkles or unsightly folds; to crease; as, to ruck up a carpet.
• v. t. - A wrinkle or crease in a piece of cloth, or in needlework.
• v. i. - To cower; to huddle together; to squat; to sit, as a hen on eggs.
• n. - A heap; a rick.
• n. - The common sort, whether persons or things; as, the ruck in a horse race.