The term BOUND BUNCH is a combination of two words, SHEAF and BUNCH. A SHEAF is a bundle of stalks of grain or other material bound together, while a BUNCH is a group of things that are tied or grouped together. Together, the two words form a phrase that describes a collection of items that are bound together in a tight bundle. This phrase is often used to describe a large group of people or objects that are held together by a common bond.