/ Dictionary / Index D drillship: Meaning and Definition of Find definitions for: drill•ship Pronunciation: (dril'ship"), [key] — n. a ship equipped with a drill rig and engaged in offshore oil and gas exploration, oceanographic research, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. drill rig drillstock Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language