Yes, veg is a Scrabble word!
...and is worth 7 points in Scrabble, and 9 points in Words with Friends
veg
Noun
1. Edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant
Noun
1. Edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant