/ Dictionary / Index B bowline: Meaning and Definition of Find definitions for: bow•line Pronunciation: (bō'lin, -līn"), [key] — n. Also calleda knot used to make a nonslipping loop on the end of a rope. See illus. under a rope made fast to the weather leech of a square sail, for keeping the sail as flat as possible when close-hauled. sailing close-hauled. close-hauled with sails well filled. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bowline (Thesaurus) bowl game bowling Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language