The story
From loom (“guillemot, diver”) + -ery, with -ery in the sense of a place or a collection, on the model of rookery. First attested in the 1859 Arctic narrative of Francis Leopold McClintock.
Etymology from Wiktionary, CC BY-SA 4.0.
loomery
loom·eryToday it means: A breeding colony of guillemots (seabirds of the genus Uria) or other auks, typically densely packed on a sea cliff; the cliff or ledges on which such seabirds breed. Full definition →