Slick and Flat, Used to Ride Waves for Sport
Puzzle 20 of Secondhand Treasures Pack
Question is: Slick and Flat, Used to Ride Waves for Sport
and the answer is: SURFBOARD
Word Meaning:
SURFBOARD — A shaped waterproof plank, usually made of wood or foam and reinforced plastic, used to surf on waves.
Definitions from Wiktionary.