Breadcrumb Home > Dictionary > Index F fly block: Meaning and Definition of Find definitions for: fly' block" Pronunciation: [key] — Mach., Naut. Mach.,Naut. (in a Spanish burton or the like) a block, supported by a runner, through which the hauling part of the fall is rove. any block that shifts with the movement of its tackle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. flybelt flyblow TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language