Breadcrumb Home > Dictionary > Index O open die: Meaning and Definition of Find definitions for: o'pen die' Pronunciation: [key] — Metalworking. Metalworking. a die of flat, concave, or hollowshape that only minimally restricts lateral flow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. open diapason open door TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: inmediasres Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language