/ Dictionary / Index L Lincoln's Birthday: Meaning and Definition of Find definitions for: Lin'coln's Birth'day Pronunciation: [key] February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lincoln Park Lincolnshire Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language