1. a person or thing that binds.
  2. a detachable cover, resembling the cover of a notebook or book, with clasps or rings for holding loose papers together: a three-ring binder.
  3. a person who binds books; a bookbinder.
  4. Insurance. an agreement by which property or liability coverage is granted pending issuance of a policy.
  5. Agriculture.
    1. an attachment to a harvester or reaper for binding the cut grain.
    2. Also called self-binder.a machine that cuts and binds grain.
  6. Chemistry. any substance that causes the components of a mixture to cohere.
  7. Painting. a vehicle in which pigment is suspended.
  8. (in powder metallurgy) a substance for holding compacted metal powder together while it is being sintered.
  9. Building Trades.
    1. a stone, as a perpend, for bonding masonry.
    2. a girder supporting the ends of two sets of floor joists.
    3. a material for holding loose material together, as in a macadamized road.
    4. stirrup(def 4).
  10. British, Australian Slang. a large quantity, especially of food.

Origin of binder

before 1000; Middle English, Old English; see bind, -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for binders

folder, notebook, band, frame

Examples from the Web for binders

Contemporary Examples of binders

Historical Examples of binders

British Dictionary definitions for binders


  1. a firm cover or folder with rings or clasps for holding loose sheets of paper together
  2. a material used to bind separate particles together, give an appropriate consistency, or facilitate adhesion to a surface
    1. a person who binds books; bookbinder
    2. a machine that is used to bind books
  3. something used to fasten or tie, such as rope or twine
  4. NZ informal a square meal
  5. Also called: reaper binder obsolete a machine for cutting grain and binding it into bundles or sheavesCompare combine harvester
  6. an informal agreement giving insurance coverage pending formal issue of a policy
  7. a tie, beam, or girder, used to support floor joists
  8. a stone for binding masonry; bondstone
  9. the nonvolatile component of the organic media in which pigments are dispersed in paint
  10. (in systemic grammar) a word that introduces a bound clause; a subordinating conjunction or a relative pronounCompare linker (def. 2)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for binders



Old English bindere "one who binds" (see bind). Of various objects or products that bind, from early 16c.

Online Etymology Dictionary, © 2010 Douglas Harper

binders in Medicine


  1. A broad bandage, especially one encircling the abdomen.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.