/ Dictionary / Index T Thanksgiving Day: Meaning and Definition of Find definitions for: Thanksgiv'ing Day" Pronunciation: [key] a national holiday celebrated as a day of feasting and giving thanks for divine favors or goodness, observed on the fourth Thursday of November in the U.S. and in Canada on the second Monday of October. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Thanksgiving cactus thankworthy Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language