1) American folk rock group 2) Flotsam 3) Wood 1) Debris 2) Flotsam 
[horse] Driftwood (1932–1960) was originally known as Speedy while he was a rodeo horse. Driftwood was known for siring rodeo and ranch horses. == Life == Driftwood was registered as number 2833 with the American Quarter Horse Association (or AQHA). His stud book entry lists him as a bay horse (meaning stallion in this situation) foaled i...
• (n.) Fig.: Whatever is drifting or floating as on water. • (n.) Wood drifted or floated by water.
Wood that has been drifting or floating in water.
Drift'wood` noun 1. Wood drifted or floated by water. 2. Fig.: Whatever is drifting or floating as on water. « The current of humanity, with its heavy proportion of very useless driftwood .» New Your Times. 
[n] - wood that is floating or that has been washed ashore
noun wood that is floating or that has been washed ashore
wood floating on a body of water or cast ashore by it. · such wood adapted for use in interior decoration.