The word "aerier" is spelled with the letters A-E-R-I-E-R. It is pronounced /ɛəriər/, with the stress on the second syllable. This word is derived from the noun "aerie," which refers to a bird of prey's nest, typically located high up in a tree or on a cliff. "Aerier" is the comparative form of "aerie," meaning that something is more elevated, lofty, or perched than something else. For example, a bird's second nest might be "aerier" than its first.