n. A bundle or collection.n. Specificallyn. A quantity of the stalks of wheat, rye, oats, or barley bound together; a bundle of stalks or straw.n. A bundle of twenty-four arrows, the number furnished to an archer and carried by him at one time.n. A bundle of steel containing thirty gads or ingots.n. In geometry, a doubly infinite manifold of curves or surfaces comprising all which fulfil certain general conditions and also pass through certain fixed points; especially, a manifold of points or planes passing through one fixed point.n. Synonyms sheaf, Shock, Stack, Rick. A sheaf is about an armful of the stalks of any small grain, tied at the middle into a bundle; a shock is a pile of sheaves, generally from ten to twelve, standing upright or leaning together, sometimes with two or three laid across the top to turn off rain; a stack or rick is a much larger pile, constructed carefully to stand for some time, and thatched or covered, or so built as to keep out rain. In the United States the word stack is much more common than rick.To collect and bind; make sheaves of.To make sheaves.n. Same as sheave.