verb (used with or without object), clo·sured, clo·sur·ing.

Parliamentary Procedure. to cloture.

Nearby words

  1. clostridium histolyticum,
  2. clostridium novyi,
  3. clostridium parabotulinum,
  4. clostridium perfringens,
  5. clostridium tetani,
  6. closure principle,
  7. clot,
  8. cloth,
  9. cloth cap,
  10. cloth of gold

Origin of closure

1350–1400; Middle English < Middle French < Latin clausūra. See close, -ure

Related formsnon·clo·sure, nounpre·clo·sure, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for closure

British Dictionary definitions for closure



the act of closing or the state of being closed
an end or conclusion
something that closes or shuts, such as a cap or seal for a container
(in a deliberative body) a procedure by which debate may be halted and an immediate vote takenSee also cloture, guillotine, gag rule
mainly US
  1. the resolution of a significant event or relationship in a person's life
  2. a sense of contentment experienced after such a resolution
geology the vertical distance between the crest of an anticline and the lowest contour that surrounds it
phonetics the obstruction of the breath stream at some point along the vocal tract, such as the complete occlusion preliminary to the articulation of a stop
  1. the closed sentence formed from a given open sentence by prefixing universal or existential quantifiers to bind all its free variables
  2. the process of forming such a closed sentence
  1. the smallest closed set containing a given set
  2. the operation of forming such a set
psychol the tendency, first noted by Gestalt psychologists, to see an incomplete figure like a circle with a gap in it as more complete than it is


(tr) (in a deliberative body) to end (debate) by closure

Word Origin for closure

C14: from Old French, from Late Latin clausūra bar, from Latin claudere to close

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 closure



late 14c., "a barrier, a fence," from Old French closure "enclosure; that which encloses, fastening, hedge, wall, fence," also closture "barrier, division; enclosure, hedge, fence, wall" (12c., Modern French clôture), from Late Latin clausura "lock, fortress, a closing" (source of Italian chiusura), from past participle stem of Latin claudere "to close" (see close (v.)). Sense of "act of closing, bringing to a close" is from early 15c. In legislation, especially "closing or stopping of debate." Sense of "tendency to create ordered and satisfying wholes" is 1924, from Gestalt psychology.

Online Etymology Dictionary, © 2010 Douglas Harper