Breadcrumb Home > Dictionary > Index P pneumatic pile: Meaning and Definition of Find definitions for: pneumat'ic pile' Pronunciation: [key] — Building Trades. Building Trades. a hollow pile, used under water, in which a vacuum is induced so that air and water pressure force it into place. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pneumatic duct pneumatics 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: inchoate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language