Eta Aquarids

Eta Aquarids [ey-tuh, ee-tuh] noun (used with a plural verb) Astronomy.

1. See under Aquarids.

Aquarids [ak-wuh-rids, ah-kwuh-] noun (used with a plural verb)

1. either of two collections of meteors comprising meteor showers having their apparent origin in the constellation Aquarius and visible either in early May (Eta Aquarids) or late July (Delta Aquarids).

Origin of Aquarids Aquar(ius) + -id1