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[ses-uh-moid] /ˈsɛs əˌmɔɪd/
adjective, Anatomy.
shaped like a sesame seed, as certain small nodular bones and cartilages.
Origin of sesamoid
1690-1700; < Latin sēsamoīdēs < Greek sēsamoeidḗs like sesame seed. See sesame, -oid
Related forms
intersesamoid, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for sesamoid


adjective (anatomy)
of or relating to various small bones formed in tendons, such as the patella
of or relating to any of various small cartilages, esp those of the nose
Word Origin
C17: from Latin sēsamoīdēs like sesame (seed), from Greek
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
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sesamoid in Medicine

sesamoid ses·a·moid (sěs'ə-moid')

  1. Resembling a sesame seed in size or shape.

  2. Of or relating to a sesamoid bone.

A sesamoid bone or cartilage.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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