/ Dictionary / Index C Children's Day: Meaning and Definition of Find definitions for: Chil'dren's Day" Pronunciation: [key] the second Sunday in June, celebrated by Protestant churches with special programs for children: first started in the U.S. in 1868. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Children's Crusade Children's Hour, The* Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language