<p><strong>Noun</strong></p><ul><li>a person or thing that binds.</li><li>a detachable cover, resembling the cover of a notebook or book, with clasps or rings for holding loose papers together: a three-ring binder.</li><li>a person who binds books; a bookbinder.</li><li>an agreement by which property or liability coverage is granted pending issuance of a policy.</li><li>an attachment to a harvester or reaper for binding the cut grain; also called self-binder.</li><li>a machine that cuts and binds grain.</li><li>any substance that causes the components of a mixture to cohere: Eggs, dairy, and gelatin are common binders in traditional recipes that vegan bakers have to replace.</li><li>a component of paint in which pigment is suspended.</li><li>(in powder metallurgy) a substance for holding compacted metal powder together while it is being sintered.</li><li>a stone, as a perpend, for bonding masonry.</li><li>a girder supporting the ends of two sets of floor joists.</li><li>a substance for holding loose material together, as water or tar in a macadamized road, or polyurethane in polymer concrete.</li><li>a compression garment for temporarily flattening a person's breast tissue, often used by gender-diverse people as part of their gender expression: My new binder gets my chest pretty flat, and it's more comfortable than my old one.</li><li>a large quantity, especially of food (British, Australian slang).</li></ul>