frontal bone

 

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frontal bone

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• frontal (ellipsis)

frontal bone (plural frontal bones)

1. (anatomy) The bone which forms the front part of the skull and the upper part of the eye sockets and nasal cavity.
   • 1963, Margery Allingham, chapter 17, in The China Governess: A Mystery, London: Chatto & Windus, →OCLC:

     The face which emerged was not reassuring. It was blunt and grey, the nose springing thick and flat from high on the frontal bone of the forehead, whilst his eyes were narrow slits of dark in a tight bandage of tissue. […].

2. (anatomy) Either of the pair of bones from which the frontal bone is formed by fusion in infancy.

• “frontal bone”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “frontal bone”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.