• synonyms


[sen-truh m]
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noun, plural cen·trums, cen·tra [sen-truh] /ˈsɛn trə/.
  1. a center.
  2. Anatomy, Zoology. the body of a vertebra.
  3. Mycology. collectively, all the structures enclosed within the ascocarp of a fungus.
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Origin of centrum

From Latin, dating back to 1850–55; see origin at center
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for centrum

Historical Examples

  • One of the vertebr of the back had a body, or centrum, ten inches long.

    Extinct Monsters

    H. N. Hutchinson

  • Arch nearly as broad as the anterior epiphysis of the centrum.

  • Tenth lumbar (last): Centrum like that in Barnegat skeleton.

  • Neural arch and spine only slightly higher than length of centrum.

  • The centrum is short, and has its terminations vertically truncated.

    The Vertebrate Skeleton

    Sidney H. Reynolds

British Dictionary definitions for centrum


noun plural -trums or -tra (-trə)
  1. the main part or body of a vertebra
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Word Origin

C19: from Latin: centre
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

centrum in Medicine


n. pl. cen•trums
  1. A center of any kind, especially an anatomical center.
  2. The major part of a vertebra, exclusive of the bases of the neural arch.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.