/ Dictionary / Index A Almagest: Meaning and Definition of Find definitions for: Al•ma•gest Pronunciation: (al'mu-jest"), [key] — n. (italics) a Greek work on astronomy by Ptolemy. (l.c.) any of various medieval works of a like kind, as on astrology or alchemy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Almadén almah Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language