surfboard
n. countable A2 Elementary US //ˈsɝfˌbɔɹd// UK //sˈɜːfbɔːd// surf·board
n. a long, flat piece of wood or plastic that you ride on the water while surfing. It helps you stay on top of the waves.
n. a long, narrow, flat board used for riding on the crest of a wave. Typically constructed from a buoyant core of foam or wood, covered with a layer of fibreglass and resin.
He carried his surfboard to the beach every morning.
The surfer carefully waxed his surfboard to ensure a better grip on the wet surface before entering the water.
Advances in composite materials have allowed manufacturers to produce lighter surfboards that maintain the necessary stiffness for high-performance maneuvers without sacrificing durability.
From surf + board.