/ Dictionary / Index P pearl cotton: Meaning and Definition of Find definitions for: pearl' cot"ton Pronunciation: [key] a two-ply mercerized cotton thread used chiefly in handweaving and needlework. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pearl City pearl danio Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language