The roof of the mouth or the palate can easily become disturbed. The mouth is a sensitive part of the body which frequently comes into contact with foreign substances which can cause a negative reaction in the body. The palate can become sore or it can develop a burning sensation.
Definition of Wac. : a member of a U.S. Army unit created for women during World War II and discontinued in the 1970s.
Weighted Average Coupon - WAC. What is the 'Weighted Average Coupon - WAC'. The weighted average coupon (WAC) is the weighted-average gross interest rates of the pool of mortgages that underlie a mortgage-backed security (MBS) at the time the securities were issued. A mortgage-backed security's current WAC can differ from its original WAC as the underlying mortgages pay down at different speeds.