/ Dictionary / Index M myeloid: Meaning and Definition of Find definitions for: my•e•loid Pronunciation: (mī'u-loid"), [key] — adj. Anat. pertaining to the spinal cord. marrowlike. pertaining to marrow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: myeloid (Thesaurus) myelography myeloma Related Content Daily Word Quiz: abdicate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language