/ Dictionary / Index M monoclinal: Meaning and Definition of Find definitions for: mon•o•cli•nal Pronunciation: (mon"u-klīn'l), [key] — Geol. Geol. —adj. noting, pertaining to, or composed of strata dipping in only one direction. —n. monocline. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: monoclinal (Thesaurus) monocle monocline Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language