Today it means: Ho'oleilana A structure in local Universe; An assembly of superclusters and voids, forming a spherical assemblage of matter with a central peak, roughly 1-billion-lightyears across, located next to, but not containing, Laniakea, our local supercluster where the Earth is contained within. Thought to be a baryon acoustic oscillation (“BAO”), the first such discovered, and the nearest such found. Full definition →
From Hawaiian hoʻoleilei ka lana (“sent sounds of awakening”). Coined by R. Brent Tully, Cullan Howlett, and Daniel Pomarède, in 2023; see quotation below.
Etymology from Wiktionary, CC BY-SA 4.0.