Yes, slash is a Scrabble word!

Verb

1. Cut with sweeping strokes; as with an ax or machete

2. Beat severely with a whip or rod

3. Cut open

4. Cut drastically

5. Move or stir about violently

Noun

1. A wound made by cutting

2. An open tract of land in a forest that is strewn with debris from logging (or fire or wind)

3. A punctuation mark (/) used to separate related items of information

4. A strong sweeping cut made with a sharp instrument