/ Dictionary / Index P plain knit: Meaning and Definition of Find definitions for: plain' knit' Pronunciation: [key] the simplest knitted construction, consisting of vertical ribs visible on the front of the fabric and horizontal rows of stitches visible on the back, used in the production of hosiery and jersey fabrics. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plain Jane plain-laid Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language