[ uh-rahy-uh-nidz, awr-ee-oh-, ohr- ]
/ əˈraɪ ə nɪdz, ˌɔr iˈoʊ-, ˌoʊr- /
noun (used with a plural verb) Astronomy.
a collection of meteors comprising a meteor shower (Orionid meteor shower) visible during October, and having its apparent origin in the constellation Orion.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019