/ Dictionary / Index P picket boat: Meaning and Definition of Find definitions for: pick'et boat" Pronunciation: [key] a vessel used to patrol a harbor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. picket picket fence Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language