/ Dictionary / Index L latitudinal: Meaning and Definition of Find definitions for: lat•i•tu•di•nal Pronunciation: (lat"i-td'n-l, -tyd'-), [key] — adj. of or pertaining to latitude. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: latitudinal (Thesaurus) latitude latitudinarian Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language