sesamoid

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈsɛsəˌmɔɪd/US:USA pronunciation: respellingUSA pronunciation: respelling(ses′ə moid′)


WordReference Random House Unabridged Dictionary of American English © 2026
ses•a•moid  (ses′ə moid′),USA pronunciation adj. [Anat.]
  1. Anatomyshaped like a sesame seed, as certain small nodular bones and cartilages.
  • Greek sēsamoeidé̄s like sesame seed. See sesame, -oid
  • Latin sēsamoīdēs
  • 1690–1700

Collins Concise English Dictionary © HarperCollins Publishers::
sesamoid /ˈsɛsəˌmɔɪd/ adj
  1. of or relating to various small bones formed in tendons, such as the patella
  2. of or relating to any of various small cartilages, esp those of the nose
Etymology: 17th Century: from Latin sēsamoīdēs like sesame (seed), from Greek

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