/ Dictionary / Index C cottonseed oil: Meaning and Definition of Find definitions for: cot'tonseed oil" Pronunciation: [key] a brown-yellow, viscid oil with a nutlike odor, obtained from the seed of the cotton plant: used in the manufacture of soaps, hydrogenated fats, lubricants, and cosmetics, as a cooking and salad oil, and in medicine chiefly as a laxative. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cottonseed meal cotton stainer 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