Breadcrumb Home > Dictionary > Index O Orionids: Meaning and Definition of Find definitions for: O•ri•o•nids Pronunciation: (u-rī'u-nidz, ôr"ē-ō'-, ōr"-), [key] — n. (used with a pl. v.) Astron. a collection of meteors comprising a meteor showervisible during October, and having its apparent origin in the constellation Orion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Orion Orion Nebula 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: prescient Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language