Yes, dish is a Scrabble word!

Verb

1. Provide (usually but not necessarily food)

2. Make concave; shape like a dish

Noun

1. A piece of dishware normally used as a container for holding or serving food

2. A particular item of prepared food

3. The quantity that a dish will hold

4. A very attractive or seductive looking woman

5. Directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation

6. An activity that you like or at which you are superior