/ Dictionary / Index B binder: Meaning and Definition of Find definitions for: bind•er Pronunciation: (bīn'dur), [key] — n. a person or thing that binds. a detachable cover, resembling the cover of a notebook or book, with clasps or rings for holding loose papers together: a three-ring binder. a person who binds books; a bookbinder. an agreement by which property or liability coverage is granted pending issuance of a policy. an attachment to a harvester or reaper for binding the cut grain. Also calledself-binder.a machine that cuts and binds grain. any substance that causes the components of a mixture to cohere. a vehicle in which pigment is suspended. (in powder metallurgy) a substance for holding compacted metal powder together while it is being sintered. a stone, as a perpend, for bonding masonry. a girder supporting the ends of two sets of floor joists. a material for holding loose material together, as in a macadamized road. stirrup (def. 5). a large quantity, esp. of food. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: binder (Thesaurus) B.Ind.Ed. binder twine Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language