Breadcrumb Home > Dictionary > Index C celestial equator: Meaning and Definition of Find definitions for: celes'tial equa'tor Pronunciation: [key] — Astron., Navig. Astron.,Navig. the great circle of the celestial sphere, lying in the same plane as the earth's equator. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Celestial Empire celestial globe 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: irascible Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language