[ kom-uh-shoor, -shur ]

  1. a joint; seam; suture.

  2. Botany. the joint or face by which one carpel coheres with another.

  1. Anatomy, Zoology. a connecting band of nerve fiber, especially one joining the right and left sides of the brain or spinal cord.

Origin of commissure

1375–1425; late Middle English (<Middle French ) <Latin commissūra, equivalent to commiss(us) (see commissary) + -ūra-ure

Other words from commissure

  • com·mis·su·ral [kuh-mish-er-uhl, kom-uh-shoor-uhl, -shur-], /kəˈmɪʃ ər əl, ˌkɒm əˈʃʊər əl, -ˈʃɜr-/, adjective
  • in·ter·com·mis·sur·al, adjective
  • pseu·do·com·mis·su·ral, adjective

Words Nearby commissure Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use commissure in a sentence

British Dictionary definitions for commissure


/ (ˈkɒmɪˌsjʊə) /

  1. a band of tissue linking two parts or organs, such as the nervous tissue connecting the right and left sides of the brain in vertebrates

  2. any of various joints between parts, as between the carpels, leaf lobes, etc, of a plant

Origin of commissure

C15: from Latin commissūra a joining together, from committere commit

Derived forms of commissure

  • commissural (kəˈmɪsjʊrəl, ˌkɒmɪˈsjʊərəl), adjective

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