Yes, cured is a Scrabble word!

Adjective

1. Freed from illness or injury

2. (used of rubber) treated by a chemical or physical process to improve its properties (hardness and strength and odor and elasticity)

3. (used of concrete or mortar) kept moist to assist the hardening

4. (used of hay e.g.) allowed to dry

5. (used especially of meat) cured in brine

6. (used of tobacco) aging as a preservative process (`aged' is pronounced as one syllable)

Verb

1. Provide a cure for, make healthy again

2. Prepare by drying, salting, or chemical processing in order to preserve

3. Make (substances) hard and improve their usability

4. Be or become preserved