hard palate

n. bony front section of the palate that forms the roof of the mouth

The hard palate is a thin horizontal bony plate of the skull, located in the roof of the mouth. It spans the arch formed by the upper teeth. It is formed by the palatine process of the maxilla and horizontal plate of palatine bone.It forms a partition between the nasal passages and the mouth. This partition is continued deeper into the mouth by a fleshy extension called the soft palate.
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Hard palate n. The anterior part of the palate, consisting of the bony palate covered above by the mucous membrane of the nose, and below by the [more]Hard palate - Community and Resources

Noun
1. the bony part of the roof of the mouth
(hypernym) surface
(part-holonym) palate, roof of the mouth

The bony part of the roof of the mouth. The hard palate is the front of the palate and is in front of the soft palate.