/ Dictionary / Index S sesamoid: Meaning and Definition of Find definitions for: ses•a•moid Pronunciation: (ses'u-moid"), [key] — adj. Anat. shaped like a sesame seed, as certain small nodular bones and cartilages. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sesamoid (Thesaurus) sesame oil Sesotho Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language