/ Dictionary / Index C common year: Meaning and Definition of Find definitions for: com'mon year" Pronunciation: [key] an ordinary year of 365 days; a year having no intercalary period. Cf. leap year. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Commonwealth of Nations common yellow throat Related Content Daily Word Quiz: draconian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language