/ Dictionary / Index O overseas cap: Meaning and Definition of Find definitions for: overseas' cap" Pronunciation: [key] — Mil. Mil. a wedge-shaped cap of cotton or woolen fabric, worn as part of the service uniform. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overseas oversee Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language