HARD PALATE • DICCIONARIO INGLES.COM • Definition of Hard palate

... or, in popular parlance, the "Adam's apple"; the nose; the uvula, which is the soft, pointed, and easily movable organ that depends from the rear of the palate; the palate, which is divided into a posterior, movable "soft palate" or velum and a "hard palate"; the tongue; the teeth; and the lips. The palate, lower palate, tongue, teeth, and lips may be looked upon as a combined resonance chamber, whose constantly varying shape, chiefly due to the extreme mobility of the tongue, is the main factor in giving the outgoing breath its ...

— Language - An Introduction to the Study of Speech • Edward Sapir