/ Dictionary / Index R rock maple: Meaning and Definition of Find definitions for: rock' ma"ple Pronunciation: [key] — New Eng. New Eng. the sugar maple, Acer saccharum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rock lobster rock milk Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language