/ Dictionary / Index U underdraft: Meaning and Definition of Find definitions for: un•der•draft Pronunciation: (un'dur-draft", -dräft"), [key] — n. Metalworking. a tendency of a rolled piece to curve downward after passing through a stand, occurring when the upper roll is faster than the lower. Cf.(def. 7). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. underdone underdrain Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language