Word of the Day:

"To our left, as we made our way along the trail, was an expansive valley enclosed by the cerulean heights of the Blue Ridge Mountains, a 550-mile expanse of the Appalachian Mountains." — Stephanie Hill, The Herald-Dispatch (Huntington, West Virginia), 3 Dec. 2021

More example sentences

Cerulean comes from Latin caeruleus, which means "dark blue" and is most likely from caelum, "sky."