frontal bone

== English == === Alternative forms === frontal (ellipsis) === Noun === frontal bone (plural frontal bones) (anatomy) The bone which forms the front part of the skull and the upper part of the eye sockets and nasal cavity. (anatomy) Either of the pair of bones from which the frontal bone is formed by fusion in infancy. ==== Translations ==== === References === “frontal bone”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “frontal bone”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.