Yes, fort is a Scrabble word!
...and is worth 7 points in Scrabble, and 7 points in Words with Friends
fort
Verb
1. Gather in, or as if in, a fort, as for protection or defense
2. Enclose by or as if by a fortification
3. Station (troops) in a fort
Noun
1. A fortified military post where troops are stationed
2. A fortified defensive structure
What Scrabble words can I make with the letters in fort?
3 Letter Words
2 Letter Words