Yes, skim is a Scrabble word!

Verb

1. Travel on the surface of water

2. Move or pass swiftly and lightly over the surface of

3. Examine hastily

4. Cause to skip over a surface

5. Coat (a liquid) with a layer

6. Remove from the surface

7. Read superficially

Adjective

1. Used of milk and milk products from which the cream has been removed

Noun

1. A thin layer covering the surface of a liquid

2. Reading or glancing through quickly