Breadcrumb Home > Dictionary > Index R round lot: Meaning and Definition of Find definitions for: round' lot' Pronunciation: [key] — Stock Exchange. Stock Exchange. the conventional unit or quantity in which commodities or securities are bought and sold. (in a transaction) a quantity of 100 shares of a stock that is active or 10 shares of a stock that is inactive. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. roundlet round-lotter 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: quisling Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language