Yes, strap is a Scrabble word!

Verb

1. Tie with a strap

2. Beat severely with a whip or rod

3. Sharpen with a strap

4. Secure (a sprained joint) with a strap

Noun

1. An elongated leather strip (or a strip of similar material) for binding things together or holding something in position

2. Hanger consisting of a loop of leather suspended from the ceiling of a bus or train; passengers hold onto it

3. A band that goes over the shoulder and supports a garment or bag

4. Whip consisting of a strip of leather used in flogging