/ Dictionary / Index H HMAS: Meaning and Definition of Find definitions for: HMAS Pronunciation: [key] Her Majesty's Australian Ship. His Majesty's Australian Ship. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. h'm HMCS Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language