/ Dictionary / Index O osselet: Meaning and Definition of Find definitions for: os•se•let Pronunciation: (os'u-lit), [key] — n. Vet. Pathol. a hard nodule on the leg of a horse, esp. one on the inner side of the knee or the outer side of the fetlock. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ossein osseous Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language