Webster's Revised Unabridged Dictionary · 1913

Palatal

Palatal , adjective

[Compare French palatal.]

1.
Of or pertaining to the palate; palatine; as, the palatal bones.
2.
(Phonetics) Uttered by the aid of the palate; -- said of certain sounds, as the sound of k in kirk.

Palatal , noun

(Phonetics) A sound uttered, or a letter pronounced, by the aid of the palate, as the letters k and y.