Today's letter "Q"

1. Quack (2 meanings):
A. Duck's harsh cry
B. Person who falsely claims to have medical skill or remedies

2. Quadrennial:
Happening every fourth year, lasting four years

3. Quagmire:
Bog, Marsh

4. Quay:
Landing place built for ships to load and unload

5. Quell:
Suppress

6. Quiescent:
Inactive, quiet