/ Dictionary / Index M Martini-Henry: Meaning and Definition of Find definitions for: Mar•ti•ni-Hen•ry Pronunciation: (mär-tē'nē hen'rē), [key] — n. a breech-loaded .45 caliber rifle adopted in 1871 as the standard British service weapon, using a center-fire metallic cartridge filled with black powder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. martini Martinique Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language