/ Dictionary / Index L lattermost: Meaning and Definition of Find definitions for: lat•ter•most Pronunciation: (lat'ur-mōst", -must), [key] — adj. latest; last. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. latterly lattice Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language