Yes, curl is a Scrabble word!
...and is worth 6 points in Scrabble, and 9 points in Words with Friends
curl
Verb
1. Form a curl, curve, or kink
2. Shape one's body into a curl
3. Wind around something in coils or loops
4. Twist or roll into coils or ringlets
5. Play the Scottish game of curling
Noun
1. A round shape formed by a series of concentric circles (as formed by leaves or flower petals)
2. American chemist who with Richard Smalley and Harold Kroto discovered fullerenes and opened a new branch of chemistry (born in 1933)
3. A strand or cluster of hair
What Scrabble words can I make with the letters in curl?
3 Letter Words