/ Dictionary / Index H helm port: Meaning and Definition of Find definitions for: helm' port" Pronunciation: [key] the opening at the stern of a ship, through which a rudderstock passes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Helmont helmsman Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language