How to pronounce medial:
Any of various things that occur in the middle.
Of or pertaining to a mean or average.
Example: "Medial allegation"
In or near the middle; not at either end.
Pertaining to the inside; closer to the midline.
Example: "The medial side of the knee faces the other knee, while the outer side of the knee is lateral."
Closer to the addressee.
(of a consonant) central: produced when air flows across the center of the mouth over the tongue.