/ Dictionary / Index R Rosh Hodesh: Meaning and Definition of Find definitions for: Rosh Ho•desh Pronunciation: (rōsh" khō'deshAshk. Heb.rōsh khō'deshSeph. Heb.rôsh khô'desh), [key] — Judaism. Judaism. the beginning of a new month in the Jewish calendar, celebrated in a specified manner during the morning service in the synagogue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rosh Hashanah roshi Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language