/ Dictionary / Index P Presidents' Day: Meaning and Definition of Find definitions for: Pres'idents' Day" Pronunciation: [key] the third Monday in February, a legal holiday in the U.S., commemorating the birthdays of George Washington and Abraham Lincoln. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. president pro tempore presidentship Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language