Breadcrumb Home > Dictionary > Index C circulatory system: Meaning and Definition of Find definitions for: cir'culatory sys"tem Pronunciation: [key] — Anat., Zool. Anat.,Zool. the system of organs and tissues, including the heart, blood, blood vessels, lymph, lymphatic vessels, and lymph glands, involved in circulating blood and lymph through the body. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. circulator circulus 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: philistine Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language